… | |
… | |
6 | #include <string.h> |
6 | #include <string.h> |
7 | #include <stdlib.h> |
7 | #include <stdlib.h> |
8 | #include <stdio.h> |
8 | #include <stdio.h> |
9 | #include <limits.h> |
9 | #include <limits.h> |
10 | #include <float.h> |
10 | #include <float.h> |
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11 | #include <inttypes.h> |
11 | |
12 | |
12 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
13 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
13 | # define snprintf _snprintf // C compilers have this in stdio.h |
14 | # define snprintf _snprintf // C compilers have this in stdio.h |
14 | #endif |
15 | #endif |
15 | |
16 | |
16 | // some old perls do not have this, try to make it work, no |
17 | // some old perls do not have this, try to make it work, no |
17 | // guarantees, though. if it breaks, you get to keep the pieces. |
18 | // guarantees, though. if it breaks, you get to keep the pieces. |
18 | #ifndef UTF8_MAXBYTES |
19 | #ifndef UTF8_MAXBYTES |
19 | # define UTF8_MAXBYTES 13 |
20 | # define UTF8_MAXBYTES 13 |
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21 | #endif |
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22 | |
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23 | // compatibility with perl <5.18 |
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24 | #ifndef HvNAMELEN_get |
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25 | # define HvNAMELEN_get(hv) strlen (HvNAME (hv)) |
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26 | #endif |
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27 | #ifndef HvNAMELEN |
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28 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
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29 | #endif |
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30 | #ifndef HvNAMEUTF8 |
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31 | # define HvNAMEUTF8(hv) 0 |
20 | #endif |
32 | #endif |
21 | |
33 | |
22 | // three extra for rounding, sign, and end of string |
34 | // three extra for rounding, sign, and end of string |
23 | #define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3) |
35 | #define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3) |
24 | |
36 | |
… | |
… | |
33 | #define F_SHRINK 0x00000200UL |
45 | #define F_SHRINK 0x00000200UL |
34 | #define F_ALLOW_BLESSED 0x00000400UL |
46 | #define F_ALLOW_BLESSED 0x00000400UL |
35 | #define F_CONV_BLESSED 0x00000800UL |
47 | #define F_CONV_BLESSED 0x00000800UL |
36 | #define F_RELAXED 0x00001000UL |
48 | #define F_RELAXED 0x00001000UL |
37 | #define F_ALLOW_UNKNOWN 0x00002000UL |
49 | #define F_ALLOW_UNKNOWN 0x00002000UL |
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50 | #define F_ALLOW_TAGS 0x00004000UL |
38 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
51 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
39 | |
52 | |
40 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
53 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
41 | |
54 | |
42 | #define INIT_SIZE 32 // initial scalar size to be allocated |
55 | #define INIT_SIZE 32 // initial scalar size to be allocated |
43 | #define INDENT_STEP 3 // spaces per indentation level |
56 | #define INDENT_STEP 3 // spaces per indentation level |
44 | |
57 | |
45 | #define SHORT_STRING_LEN 16384 // special-case strings of up to this size |
58 | #define SHORT_STRING_LEN 16384 // special-case strings of up to this size |
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59 | |
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60 | #define DECODE_WANTS_OCTETS(json) ((json)->flags & F_UTF8) |
46 | |
61 | |
47 | #define SB do { |
62 | #define SB do { |
48 | #define SE } while (0) |
63 | #define SE } while (0) |
49 | |
64 | |
50 | #if __GNUC__ >= 3 |
65 | #if __GNUC__ >= 3 |
… | |
… | |
63 | <= (unsigned type)((unsigned type)(end) - (unsigned type)(beg))) |
78 | <= (unsigned type)((unsigned type)(end) - (unsigned type)(beg))) |
64 | |
79 | |
65 | #define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)" |
80 | #define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)" |
66 | |
81 | |
67 | #ifdef USE_ITHREADS |
82 | #ifdef USE_ITHREADS |
68 | # define JSON_SLOW 1 |
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69 | # define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1)) |
83 | # define JSON_STASH (expect_true (json_stash) ? json_stash : gv_stashpv ("JSON::XS", 1)) |
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84 | # define BOOL_STASH (expect_true (bool_stash) ? bool_stash : gv_stashpv ("Types::Serialiser::Boolean", 1)) |
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85 | # define GET_BOOL(value) (expect_true (bool_ ## value) ? bool_ ## value : get_bool ("Types::Serialiser::" # value)) |
70 | #else |
86 | #else |
71 | # define JSON_SLOW 0 |
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72 | # define JSON_STASH json_stash |
87 | # define JSON_STASH json_stash |
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88 | # define BOOL_STASH bool_stash |
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89 | # define GET_BOOL(value) bool_ ## value |
73 | #endif |
90 | #endif |
74 | |
91 | |
75 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
92 | // the amount of HEs to allocate on the stack, when sorting keys |
76 | static SV *json_true, *json_false; |
93 | #define STACK_HES 64 |
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94 | |
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95 | static HV *json_stash, *bool_stash; // JSON::XS::, Types::Serialiser::Boolean:: |
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96 | static SV *bool_false, *bool_true; |
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97 | static SV *sv_json; |
77 | |
98 | |
78 | enum { |
99 | enum { |
79 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
100 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
80 | INCR_M_STR, // inside string |
101 | INCR_M_STR, // inside string |
81 | INCR_M_BS, // inside backslash |
102 | INCR_M_BS, // inside backslash |
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103 | INCR_M_C0, // inside comment in initial whitespace sequence |
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104 | INCR_M_C1, // inside comment in other places |
82 | INCR_M_JSON // outside anything, count nesting |
105 | INCR_M_JSON // outside anything, count nesting |
83 | }; |
106 | }; |
84 | |
107 | |
85 | #define INCR_DONE(json) ((json)->incr_nest <= 0 && (json)->incr_mode == INCR_M_JSON) |
108 | #define INCR_DONE(json) ((json)->incr_nest <= 0 && (json)->incr_mode == INCR_M_JSON) |
86 | |
109 | |
… | |
… | |
95 | // for the incremental parser |
118 | // for the incremental parser |
96 | SV *incr_text; // the source text so far |
119 | SV *incr_text; // the source text so far |
97 | STRLEN incr_pos; // the current offset into the text |
120 | STRLEN incr_pos; // the current offset into the text |
98 | int incr_nest; // {[]}-nesting level |
121 | int incr_nest; // {[]}-nesting level |
99 | unsigned char incr_mode; |
122 | unsigned char incr_mode; |
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123 | |
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124 | SV *v_false, *v_true; |
100 | } JSON; |
125 | } JSON; |
101 | |
126 | |
102 | INLINE void |
127 | INLINE void |
103 | json_init (JSON *json) |
128 | json_init (JSON *json) |
104 | { |
129 | { |
… | |
… | |
133 | SvPV_renew (sv, SvCUR (sv) + 1); |
158 | SvPV_renew (sv, SvCUR (sv) + 1); |
134 | #endif |
159 | #endif |
135 | } |
160 | } |
136 | } |
161 | } |
137 | |
162 | |
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163 | /* adds two STRLENs together, slow, and with paranoia */ |
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164 | STRLEN |
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165 | strlen_sum (STRLEN l1, STRLEN l2) |
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166 | { |
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167 | size_t sum = l1 + l2; |
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168 | |
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169 | if (sum < (size_t)l2 || sum != (size_t)(STRLEN)sum) |
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170 | croak ("JSON::XS: string size overflow"); |
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171 | |
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172 | return sum; |
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173 | } |
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174 | |
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175 | /* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */ |
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176 | static char * |
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177 | json_sv_grow (SV *sv, size_t len1, size_t len2) |
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178 | { |
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179 | len1 = strlen_sum (len1, len2); |
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180 | len1 = strlen_sum (len1, len1 >> 1); |
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181 | |
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182 | if (len1 > 4096 - 24) |
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183 | len1 = (len1 | 4095) - 24; |
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184 | |
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185 | return SvGROW (sv, len1); |
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186 | } |
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187 | |
138 | // decode an utf-8 character and return it, or (UV)-1 in |
188 | // decode a utf-8 character and return it, or (UV)-1 in |
139 | // case of an error. |
189 | // case of an error. |
140 | // we special-case "safe" characters from U+80 .. U+7FF, |
190 | // we special-case "safe" characters from U+80 .. U+7FF, |
141 | // but use the very good perl function to parse anything else. |
191 | // but use the very good perl function to parse anything else. |
142 | // note that we never call this function for a ascii codepoints |
192 | // note that we never call this function for a ascii codepoints |
143 | INLINE UV |
193 | INLINE UV |
… | |
… | |
186 | ? utf8_distance (offset, SvPVX (sv)) |
236 | ? utf8_distance (offset, SvPVX (sv)) |
187 | : offset - SvPVX (sv); |
237 | : offset - SvPVX (sv); |
188 | } |
238 | } |
189 | |
239 | |
190 | ///////////////////////////////////////////////////////////////////////////// |
240 | ///////////////////////////////////////////////////////////////////////////// |
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241 | // fp hell |
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242 | |
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243 | // scan a group of digits, and a trailing exponent |
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244 | static void |
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245 | json_atof_scan1 (const char *s, NV *accum, int *expo, int postdp, int maxdepth) |
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246 | { |
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247 | UV uaccum = 0; |
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248 | int eaccum = 0; |
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249 | |
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250 | // if we recurse too deep, skip all remaining digits |
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251 | // to avoid a stack overflow attack |
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252 | if (expect_false (--maxdepth <= 0)) |
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253 | while (((U8)*s - '0') < 10) |
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254 | ++s; |
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255 | |
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256 | for (;;) |
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257 | { |
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258 | U8 dig = (U8)*s - '0'; |
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259 | |
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260 | if (expect_false (dig >= 10)) |
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261 | { |
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262 | if (dig == (U8)((U8)'.' - (U8)'0')) |
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263 | { |
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264 | ++s; |
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265 | json_atof_scan1 (s, accum, expo, 1, maxdepth); |
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266 | } |
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267 | else if ((dig | ' ') == 'e' - '0') |
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268 | { |
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269 | int exp2 = 0; |
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270 | int neg = 0; |
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271 | |
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272 | ++s; |
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273 | |
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274 | if (*s == '-') |
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275 | { |
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276 | ++s; |
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277 | neg = 1; |
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278 | } |
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279 | else if (*s == '+') |
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280 | ++s; |
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281 | |
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282 | while ((dig = (U8)*s - '0') < 10) |
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283 | exp2 = exp2 * 10 + *s++ - '0'; |
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284 | |
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285 | *expo += neg ? -exp2 : exp2; |
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286 | } |
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287 | |
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288 | break; |
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289 | } |
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290 | |
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291 | ++s; |
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292 | |
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293 | uaccum = uaccum * 10 + dig; |
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294 | ++eaccum; |
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295 | |
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296 | // if we have too many digits, then recurse for more |
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297 | // we actually do this for rather few digits |
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298 | if (uaccum >= (UV_MAX - 9) / 10) |
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299 | { |
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300 | if (postdp) *expo -= eaccum; |
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301 | json_atof_scan1 (s, accum, expo, postdp, maxdepth); |
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302 | if (postdp) *expo += eaccum; |
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303 | |
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304 | break; |
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305 | } |
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306 | } |
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307 | |
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308 | // this relies greatly on the quality of the pow () |
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309 | // implementation of the platform, but a good |
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310 | // implementation is hard to beat. |
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311 | // (IEEE 754 conformant ones are required to be exact) |
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312 | if (postdp) *expo -= eaccum; |
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313 | *accum += uaccum * Perl_pow (10., *expo); |
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314 | *expo += eaccum; |
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315 | } |
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316 | |
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317 | static NV |
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318 | json_atof (const char *s) |
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319 | { |
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320 | NV accum = 0.; |
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321 | int expo = 0; |
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322 | int neg = 0; |
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323 | |
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324 | if (*s == '-') |
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325 | { |
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326 | ++s; |
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327 | neg = 1; |
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328 | } |
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329 | |
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330 | // a recursion depth of ten gives us >>500 bits |
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331 | json_atof_scan1 (s, &accum, &expo, 0, 10); |
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332 | |
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333 | return neg ? -accum : accum; |
|
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334 | } |
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335 | |
|
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336 | // target of scalar reference is bool? -1 == nope, 0 == false, 1 == true |
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337 | static int |
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338 | ref_bool_type (SV *sv) |
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339 | { |
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340 | svtype svt = SvTYPE (sv); |
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341 | |
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342 | if (svt < SVt_PVAV) |
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343 | { |
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344 | STRLEN len = 0; |
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345 | char *pv = svt ? SvPV (sv, len) : 0; |
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346 | |
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347 | if (len == 1) |
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348 | if (*pv == '1') |
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349 | return 1; |
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350 | else if (*pv == '0') |
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351 | return 0; |
|
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352 | } |
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353 | |
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354 | return -1; |
|
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355 | } |
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356 | |
|
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357 | // returns whether scalar is not a reference in the sense of allow_nonref |
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358 | static int |
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359 | json_nonref (SV *scalar) |
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360 | { |
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361 | if (!SvROK (scalar)) |
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362 | return 1; |
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363 | |
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364 | scalar = SvRV (scalar); |
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365 | |
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366 | if (SvTYPE (scalar) >= SVt_PVMG) |
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367 | { |
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368 | if (SvSTASH (scalar) == bool_stash) |
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369 | return 1; |
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370 | |
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371 | if (!SvOBJECT (scalar) && ref_bool_type (scalar) >= 0) |
|
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372 | return 1; |
|
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373 | } |
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374 | |
|
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375 | return 0; |
|
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376 | } |
|
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377 | |
|
|
378 | ///////////////////////////////////////////////////////////////////////////// |
191 | // encoder |
379 | // encoder |
192 | |
380 | |
193 | // structure used for encoding JSON |
381 | // structure used for encoding JSON |
194 | typedef struct |
382 | typedef struct |
195 | { |
383 | { |
… | |
… | |
202 | } enc_t; |
390 | } enc_t; |
203 | |
391 | |
204 | INLINE void |
392 | INLINE void |
205 | need (enc_t *enc, STRLEN len) |
393 | need (enc_t *enc, STRLEN len) |
206 | { |
394 | { |
207 | if (expect_false (enc->cur + len >= enc->end)) |
395 | if (expect_false ((uintptr_t)(enc->end - enc->cur) < len)) |
208 | { |
396 | { |
209 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
397 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
210 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
398 | char *buf = json_sv_grow (enc->sv, cur, len); |
211 | enc->cur = SvPVX (enc->sv) + cur; |
399 | enc->cur = buf + cur; |
212 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
400 | enc->end = buf + SvLEN (enc->sv) - 1; |
213 | } |
401 | } |
214 | } |
402 | } |
215 | |
403 | |
216 | INLINE void |
404 | INLINE void |
217 | encode_ch (enc_t *enc, char ch) |
405 | encode_ch (enc_t *enc, char ch) |
… | |
… | |
233 | |
421 | |
234 | if (expect_true (ch >= 0x20 && ch < 0x80)) // most common case |
422 | if (expect_true (ch >= 0x20 && ch < 0x80)) // most common case |
235 | { |
423 | { |
236 | if (expect_false (ch == '"')) // but with slow exceptions |
424 | if (expect_false (ch == '"')) // but with slow exceptions |
237 | { |
425 | { |
238 | need (enc, len += 1); |
426 | need (enc, len + 1); |
239 | *enc->cur++ = '\\'; |
427 | *enc->cur++ = '\\'; |
240 | *enc->cur++ = '"'; |
428 | *enc->cur++ = '"'; |
241 | } |
429 | } |
242 | else if (expect_false (ch == '\\')) |
430 | else if (expect_false (ch == '\\')) |
243 | { |
431 | { |
244 | need (enc, len += 1); |
432 | need (enc, len + 1); |
245 | *enc->cur++ = '\\'; |
433 | *enc->cur++ = '\\'; |
246 | *enc->cur++ = '\\'; |
434 | *enc->cur++ = '\\'; |
247 | } |
435 | } |
248 | else |
436 | else |
249 | *enc->cur++ = ch; |
437 | *enc->cur++ = ch; |
… | |
… | |
252 | } |
440 | } |
253 | else |
441 | else |
254 | { |
442 | { |
255 | switch (ch) |
443 | switch (ch) |
256 | { |
444 | { |
257 | case '\010': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'b'; ++str; break; |
445 | case '\010': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'b'; ++str; break; |
258 | case '\011': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 't'; ++str; break; |
446 | case '\011': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 't'; ++str; break; |
259 | case '\012': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'n'; ++str; break; |
447 | case '\012': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'n'; ++str; break; |
260 | case '\014': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'f'; ++str; break; |
448 | case '\014': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'f'; ++str; break; |
261 | case '\015': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'r'; ++str; break; |
449 | case '\015': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'r'; ++str; break; |
262 | |
450 | |
263 | default: |
451 | default: |
264 | { |
452 | { |
265 | STRLEN clen; |
453 | STRLEN clen; |
266 | UV uch; |
454 | UV uch; |
… | |
… | |
282 | if (uch >= 0x10000UL) |
470 | if (uch >= 0x10000UL) |
283 | { |
471 | { |
284 | if (uch >= 0x110000UL) |
472 | if (uch >= 0x110000UL) |
285 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
473 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
286 | |
474 | |
287 | need (enc, len += 11); |
475 | need (enc, len + 11); |
288 | sprintf (enc->cur, "\\u%04x\\u%04x", |
476 | sprintf (enc->cur, "\\u%04x\\u%04x", |
289 | (int)((uch - 0x10000) / 0x400 + 0xD800), |
477 | (int)((uch - 0x10000) / 0x400 + 0xD800), |
290 | (int)((uch - 0x10000) % 0x400 + 0xDC00)); |
478 | (int)((uch - 0x10000) % 0x400 + 0xDC00)); |
291 | enc->cur += 12; |
479 | enc->cur += 12; |
292 | } |
480 | } |
293 | else |
481 | else |
294 | { |
482 | { |
295 | need (enc, len += 5); |
483 | need (enc, len + 5); |
296 | *enc->cur++ = '\\'; |
484 | *enc->cur++ = '\\'; |
297 | *enc->cur++ = 'u'; |
485 | *enc->cur++ = 'u'; |
298 | *enc->cur++ = PL_hexdigit [ uch >> 12 ]; |
486 | *enc->cur++ = PL_hexdigit [ uch >> 12 ]; |
299 | *enc->cur++ = PL_hexdigit [(uch >> 8) & 15]; |
487 | *enc->cur++ = PL_hexdigit [(uch >> 8) & 15]; |
300 | *enc->cur++ = PL_hexdigit [(uch >> 4) & 15]; |
488 | *enc->cur++ = PL_hexdigit [(uch >> 4) & 15]; |
… | |
… | |
308 | *enc->cur++ = uch; |
496 | *enc->cur++ = uch; |
309 | str += clen; |
497 | str += clen; |
310 | } |
498 | } |
311 | else if (is_utf8) |
499 | else if (is_utf8) |
312 | { |
500 | { |
313 | need (enc, len += clen); |
501 | need (enc, len + clen); |
314 | do |
502 | do |
315 | { |
503 | { |
316 | *enc->cur++ = *str++; |
504 | *enc->cur++ = *str++; |
317 | } |
505 | } |
318 | while (--clen); |
506 | while (--clen); |
319 | } |
507 | } |
320 | else |
508 | else |
321 | { |
509 | { |
322 | need (enc, len += UTF8_MAXBYTES - 1); // never more than 11 bytes needed |
510 | need (enc, len + UTF8_MAXBYTES - 1); // never more than 11 bytes needed |
323 | enc->cur = encode_utf8 (enc->cur, uch); |
511 | enc->cur = encode_utf8 (enc->cur, uch); |
324 | ++str; |
512 | ++str; |
325 | } |
513 | } |
326 | } |
514 | } |
327 | } |
515 | } |
… | |
… | |
381 | |
569 | |
382 | if (enc->indent >= enc->json.max_depth) |
570 | if (enc->indent >= enc->json.max_depth) |
383 | croak (ERR_NESTING_EXCEEDED); |
571 | croak (ERR_NESTING_EXCEEDED); |
384 | |
572 | |
385 | encode_ch (enc, '['); |
573 | encode_ch (enc, '['); |
386 | |
574 | |
387 | if (len >= 0) |
575 | if (len >= 0) |
388 | { |
576 | { |
389 | encode_nl (enc); ++enc->indent; |
577 | encode_nl (enc); ++enc->indent; |
390 | |
578 | |
391 | for (i = 0; i <= len; ++i) |
579 | for (i = 0; i <= len; ++i) |
… | |
… | |
403 | encode_comma (enc); |
591 | encode_comma (enc); |
404 | } |
592 | } |
405 | |
593 | |
406 | encode_nl (enc); --enc->indent; encode_indent (enc); |
594 | encode_nl (enc); --enc->indent; encode_indent (enc); |
407 | } |
595 | } |
408 | |
596 | |
409 | encode_ch (enc, ']'); |
597 | encode_ch (enc, ']'); |
410 | } |
598 | } |
411 | |
599 | |
412 | static void |
600 | static void |
413 | encode_hk (enc_t *enc, HE *he) |
601 | encode_hk (enc_t *enc, HE *he) |
… | |
… | |
417 | if (HeKLEN (he) == HEf_SVKEY) |
605 | if (HeKLEN (he) == HEf_SVKEY) |
418 | { |
606 | { |
419 | SV *sv = HeSVKEY (he); |
607 | SV *sv = HeSVKEY (he); |
420 | STRLEN len; |
608 | STRLEN len; |
421 | char *str; |
609 | char *str; |
422 | |
610 | |
423 | SvGETMAGIC (sv); |
611 | SvGETMAGIC (sv); |
424 | str = SvPV (sv, len); |
612 | str = SvPV (sv, len); |
425 | |
613 | |
426 | encode_str (enc, str, len, SvUTF8 (sv)); |
614 | encode_str (enc, str, len, SvUTF8 (sv)); |
427 | } |
615 | } |
… | |
… | |
493 | } |
681 | } |
494 | |
682 | |
495 | if (count) |
683 | if (count) |
496 | { |
684 | { |
497 | int i, fast = 1; |
685 | int i, fast = 1; |
498 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
686 | HE *hes_stack [STACK_HES]; |
499 | HE **hes = _alloca (count * sizeof (HE)); |
687 | HE **hes = hes_stack; |
500 | #else |
688 | |
501 | HE *hes [count]; // if your compiler dies here, you need to enable C99 mode |
689 | // allocate larger arrays on the heap |
502 | #endif |
690 | if (count > STACK_HES) |
|
|
691 | { |
|
|
692 | SV *sv = sv_2mortal (NEWSV (0, count * sizeof (*hes))); |
|
|
693 | hes = (HE **)SvPVX (sv); |
|
|
694 | } |
503 | |
695 | |
504 | i = 0; |
696 | i = 0; |
505 | while ((he = hv_iternext (hv))) |
697 | while ((he = hv_iternext (hv))) |
506 | { |
698 | { |
507 | hes [i++] = he; |
699 | hes [i++] = he; |
… | |
… | |
576 | // encode objects, arrays and special \0=false and \1=true values. |
768 | // encode objects, arrays and special \0=false and \1=true values. |
577 | static void |
769 | static void |
578 | encode_rv (enc_t *enc, SV *sv) |
770 | encode_rv (enc_t *enc, SV *sv) |
579 | { |
771 | { |
580 | svtype svt; |
772 | svtype svt; |
|
|
773 | GV *method; |
581 | |
774 | |
582 | SvGETMAGIC (sv); |
775 | SvGETMAGIC (sv); |
583 | svt = SvTYPE (sv); |
776 | svt = SvTYPE (sv); |
584 | |
777 | |
585 | if (expect_false (SvOBJECT (sv))) |
778 | if (expect_false (SvOBJECT (sv))) |
586 | { |
779 | { |
587 | HV *stash = !JSON_SLOW || json_boolean_stash |
780 | HV *stash = SvSTASH (sv); |
588 | ? json_boolean_stash |
|
|
589 | : gv_stashpv ("JSON::XS::Boolean", 1); |
|
|
590 | |
781 | |
591 | if (SvSTASH (sv) == stash) |
782 | if (stash == bool_stash) |
592 | { |
783 | { |
593 | if (SvIV (sv)) |
|
|
594 | encode_str (enc, "true", 4, 0); |
784 | if (SvIV (sv)) encode_str (enc, "true" , 4, 0); |
595 | else |
|
|
596 | encode_str (enc, "false", 5, 0); |
785 | else encode_str (enc, "false", 5, 0); |
597 | } |
786 | } |
|
|
787 | else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0))) |
|
|
788 | { |
|
|
789 | int count; |
|
|
790 | dSP; |
|
|
791 | |
|
|
792 | ENTER; SAVETMPS; |
|
|
793 | SAVESTACK_POS (); |
|
|
794 | PUSHMARK (SP); |
|
|
795 | EXTEND (SP, 2); |
|
|
796 | // we re-bless the reference to get overload and other niceties right |
|
|
797 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
798 | PUSHs (sv_json); |
|
|
799 | |
|
|
800 | PUTBACK; |
|
|
801 | count = call_sv ((SV *)GvCV (method), G_ARRAY); |
|
|
802 | SPAGAIN; |
|
|
803 | |
|
|
804 | // catch this surprisingly common error |
|
|
805 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
806 | croak ("%s::FREEZE method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
807 | |
|
|
808 | encode_ch (enc, '('); |
|
|
809 | encode_ch (enc, '"'); |
|
|
810 | encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash)); |
|
|
811 | encode_ch (enc, '"'); |
|
|
812 | encode_ch (enc, ')'); |
|
|
813 | encode_ch (enc, '['); |
|
|
814 | |
|
|
815 | while (count) |
|
|
816 | { |
|
|
817 | encode_sv (enc, SP[1 - count--]); |
|
|
818 | |
|
|
819 | if (count) |
|
|
820 | encode_ch (enc, ','); |
|
|
821 | } |
|
|
822 | |
|
|
823 | encode_ch (enc, ']'); |
|
|
824 | |
|
|
825 | FREETMPS; LEAVE; |
|
|
826 | } |
|
|
827 | else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0))) |
|
|
828 | { |
|
|
829 | dSP; |
|
|
830 | |
|
|
831 | ENTER; SAVETMPS; |
|
|
832 | PUSHMARK (SP); |
|
|
833 | // we re-bless the reference to get overload and other niceties right |
|
|
834 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
835 | |
|
|
836 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
837 | PUTBACK; |
|
|
838 | call_sv ((SV *)GvCV (method), G_SCALAR); |
|
|
839 | SPAGAIN; |
|
|
840 | |
|
|
841 | // catch this surprisingly common error |
|
|
842 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
843 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
844 | |
|
|
845 | sv = POPs; |
|
|
846 | PUTBACK; |
|
|
847 | |
|
|
848 | encode_sv (enc, sv); |
|
|
849 | |
|
|
850 | FREETMPS; LEAVE; |
|
|
851 | } |
|
|
852 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
853 | encode_str (enc, "null", 4, 0); |
598 | else |
854 | else |
599 | { |
|
|
600 | #if 0 |
|
|
601 | if (0 && sv_derived_from (rv, "JSON::Literal")) |
|
|
602 | { |
|
|
603 | // not yet |
|
|
604 | } |
|
|
605 | #endif |
|
|
606 | if (enc->json.flags & F_CONV_BLESSED) |
|
|
607 | { |
|
|
608 | // we re-bless the reference to get overload and other niceties right |
|
|
609 | GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0); |
|
|
610 | |
|
|
611 | if (to_json) |
|
|
612 | { |
|
|
613 | dSP; |
|
|
614 | |
|
|
615 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
616 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
|
|
617 | |
|
|
618 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
619 | PUTBACK; |
|
|
620 | call_sv ((SV *)GvCV (to_json), G_SCALAR); |
|
|
621 | SPAGAIN; |
|
|
622 | |
|
|
623 | // catch this surprisingly common error |
|
|
624 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
625 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
626 | |
|
|
627 | sv = POPs; |
|
|
628 | PUTBACK; |
|
|
629 | |
|
|
630 | encode_sv (enc, sv); |
|
|
631 | |
|
|
632 | FREETMPS; LEAVE; |
|
|
633 | } |
|
|
634 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
635 | encode_str (enc, "null", 4, 0); |
|
|
636 | else |
|
|
637 | croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it", |
|
|
638 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
639 | } |
|
|
640 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
641 | encode_str (enc, "null", 4, 0); |
|
|
642 | else |
|
|
643 | croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled", |
855 | croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing)", |
644 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
856 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
645 | } |
|
|
646 | } |
857 | } |
647 | else if (svt == SVt_PVHV) |
858 | else if (svt == SVt_PVHV) |
648 | encode_hv (enc, (HV *)sv); |
859 | encode_hv (enc, (HV *)sv); |
649 | else if (svt == SVt_PVAV) |
860 | else if (svt == SVt_PVAV) |
650 | encode_av (enc, (AV *)sv); |
861 | encode_av (enc, (AV *)sv); |
651 | else if (svt < SVt_PVAV) |
862 | else if (svt < SVt_PVAV) |
652 | { |
863 | { |
653 | STRLEN len = 0; |
864 | int bool_type = ref_bool_type (sv); |
654 | char *pv = svt ? SvPV (sv, len) : 0; |
|
|
655 | |
865 | |
656 | if (len == 1 && *pv == '1') |
866 | if (bool_type == 1) |
657 | encode_str (enc, "true", 4, 0); |
867 | encode_str (enc, "true", 4, 0); |
658 | else if (len == 1 && *pv == '0') |
868 | else if (bool_type == 0) |
659 | encode_str (enc, "false", 5, 0); |
869 | encode_str (enc, "false", 5, 0); |
660 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
870 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
661 | encode_str (enc, "null", 4, 0); |
871 | encode_str (enc, "null", 4, 0); |
662 | else |
872 | else |
663 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
873 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
… | |
… | |
726 | } |
936 | } |
727 | else |
937 | else |
728 | { |
938 | { |
729 | // large integer, use the (rather slow) snprintf way. |
939 | // large integer, use the (rather slow) snprintf way. |
730 | need (enc, IVUV_MAXCHARS); |
940 | need (enc, IVUV_MAXCHARS); |
731 | enc->cur += |
941 | enc->cur += |
732 | SvIsUV(sv) |
942 | SvIsUV(sv) |
733 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
943 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
734 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
944 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
735 | } |
945 | } |
736 | } |
946 | } |
737 | else if (SvROK (sv)) |
947 | else if (SvROK (sv)) |
738 | encode_rv (enc, SvRV (sv)); |
948 | encode_rv (enc, SvRV (sv)); |
739 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
949 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
740 | encode_str (enc, "null", 4, 0); |
950 | encode_str (enc, "null", 4, 0); |
741 | else |
951 | else |
742 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
952 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data", |
743 | SvPV_nolen (sv), SvFLAGS (sv)); |
953 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
744 | } |
954 | } |
745 | |
955 | |
746 | static SV * |
956 | static SV * |
747 | encode_json (SV *scalar, JSON *json) |
957 | encode_json (SV *scalar, JSON *json) |
748 | { |
958 | { |
749 | enc_t enc; |
959 | enc_t enc; |
750 | |
960 | |
751 | if (!(json->flags & F_ALLOW_NONREF) && !SvROK (scalar)) |
961 | if (!(json->flags & F_ALLOW_NONREF) && json_nonref (scalar)) |
752 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
962 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
753 | |
963 | |
754 | enc.json = *json; |
964 | enc.json = *json; |
755 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
965 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
756 | enc.cur = SvPVX (enc.sv); |
966 | enc.cur = SvPVX (enc.sv); |
… | |
… | |
963 | *cur++ = *dec_cur++; |
1173 | *cur++ = *dec_cur++; |
964 | while (--clen); |
1174 | while (--clen); |
965 | |
1175 | |
966 | utf8 = 1; |
1176 | utf8 = 1; |
967 | } |
1177 | } |
|
|
1178 | else if (ch == '\t' && dec->json.flags & F_RELAXED) |
|
|
1179 | *cur++ = ch; |
968 | else |
1180 | else |
969 | { |
1181 | { |
970 | --dec_cur; |
1182 | --dec_cur; |
971 | |
1183 | |
972 | if (!ch) |
1184 | if (!ch) |
… | |
… | |
982 | |
1194 | |
983 | if (sv) |
1195 | if (sv) |
984 | { |
1196 | { |
985 | STRLEN cur = SvCUR (sv); |
1197 | STRLEN cur = SvCUR (sv); |
986 | |
1198 | |
987 | if (SvLEN (sv) <= cur + len) |
1199 | if (SvLEN (sv) - cur <= len) |
988 | SvGROW (sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
1200 | json_sv_grow (sv, cur, len); |
989 | |
1201 | |
990 | memcpy (SvPVX (sv) + SvCUR (sv), buf, len); |
1202 | memcpy (SvPVX (sv) + SvCUR (sv), buf, len); |
991 | SvCUR_set (sv, SvCUR (sv) + len); |
1203 | SvCUR_set (sv, SvCUR (sv) + len); |
992 | } |
1204 | } |
993 | else |
1205 | else |
… | |
… | |
1117 | } |
1329 | } |
1118 | |
1330 | |
1119 | len -= *start == '-' ? 1 : 0; |
1331 | len -= *start == '-' ? 1 : 0; |
1120 | |
1332 | |
1121 | // does not fit into IV or UV, try NV |
1333 | // does not fit into IV or UV, try NV |
1122 | if ((sizeof (NV) == sizeof (double) && DBL_DIG >= len) |
1334 | if (len <= NV_DIG) |
1123 | #if defined (LDBL_DIG) |
|
|
1124 | || (sizeof (NV) == sizeof (long double) && LDBL_DIG >= len) |
|
|
1125 | #endif |
|
|
1126 | ) |
|
|
1127 | // fits into NV without loss of precision |
1335 | // fits into NV without loss of precision |
1128 | return newSVnv (Atof (start)); |
1336 | return newSVnv (json_atof (start)); |
1129 | |
1337 | |
1130 | // everything else fails, convert it to a string |
1338 | // everything else fails, convert it to a string |
1131 | return newSVpvn (start, dec->cur - start); |
1339 | return newSVpvn (start, dec->cur - start); |
1132 | } |
1340 | } |
1133 | |
1341 | |
1134 | // loss of precision here |
1342 | // loss of precision here |
1135 | return newSVnv (Atof (start)); |
1343 | return newSVnv (json_atof (start)); |
1136 | |
1344 | |
1137 | fail: |
1345 | fail: |
1138 | return 0; |
1346 | return 0; |
1139 | } |
1347 | } |
1140 | |
1348 | |
… | |
… | |
1164 | if (*dec->cur == ']') |
1372 | if (*dec->cur == ']') |
1165 | { |
1373 | { |
1166 | ++dec->cur; |
1374 | ++dec->cur; |
1167 | break; |
1375 | break; |
1168 | } |
1376 | } |
1169 | |
1377 | |
1170 | if (*dec->cur != ',') |
1378 | if (*dec->cur != ',') |
1171 | ERR (", or ] expected while parsing array"); |
1379 | ERR (", or ] expected while parsing array"); |
1172 | |
1380 | |
1173 | ++dec->cur; |
1381 | ++dec->cur; |
1174 | |
1382 | |
… | |
… | |
1298 | |
1506 | |
1299 | hv_iterinit (hv); |
1507 | hv_iterinit (hv); |
1300 | he = hv_iternext (hv); |
1508 | he = hv_iternext (hv); |
1301 | hv_iterinit (hv); |
1509 | hv_iterinit (hv); |
1302 | |
1510 | |
1303 | // the next line creates a mortal sv each time its called. |
1511 | // the next line creates a mortal sv each time it's called. |
1304 | // might want to optimise this for common cases. |
1512 | // might want to optimise this for common cases. |
1305 | cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0); |
1513 | cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0); |
1306 | |
1514 | |
1307 | if (cb) |
1515 | if (cb) |
1308 | { |
1516 | { |
1309 | dSP; |
1517 | dSP; |
1310 | int count; |
1518 | int count; |
1311 | |
1519 | |
1312 | ENTER; SAVETMPS; PUSHMARK (SP); |
1520 | ENTER; SAVETMPS; |
|
|
1521 | SAVESTACK_POS (); |
|
|
1522 | PUSHMARK (SP); |
1313 | XPUSHs (HeVAL (he)); |
1523 | XPUSHs (HeVAL (he)); |
|
|
1524 | sv_2mortal (sv); |
1314 | |
1525 | |
1315 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1526 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1316 | |
1527 | |
1317 | if (count == 1) |
1528 | if (count == 1) |
1318 | { |
1529 | { |
1319 | sv = newSVsv (POPs); |
1530 | sv = newSVsv (POPs); |
1320 | FREETMPS; LEAVE; |
1531 | FREETMPS; LEAVE; |
1321 | return sv; |
1532 | return sv; |
1322 | } |
1533 | } |
1323 | |
1534 | |
|
|
1535 | SvREFCNT_inc (sv); |
1324 | FREETMPS; LEAVE; |
1536 | FREETMPS; LEAVE; |
1325 | } |
1537 | } |
1326 | } |
1538 | } |
1327 | |
1539 | |
1328 | if (dec->json.cb_object) |
1540 | if (dec->json.cb_object) |
1329 | { |
1541 | { |
1330 | dSP; |
1542 | dSP; |
1331 | int count; |
1543 | int count; |
1332 | |
1544 | |
1333 | ENTER; SAVETMPS; PUSHMARK (SP); |
1545 | ENTER; SAVETMPS; |
|
|
1546 | SAVESTACK_POS (); |
|
|
1547 | PUSHMARK (SP); |
1334 | XPUSHs (sv_2mortal (sv)); |
1548 | XPUSHs (sv_2mortal (sv)); |
1335 | |
1549 | |
1336 | PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; |
1550 | PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; |
1337 | |
1551 | |
1338 | if (count == 1) |
1552 | if (count == 1) |
… | |
… | |
1354 | DEC_DEC_DEPTH; |
1568 | DEC_DEC_DEPTH; |
1355 | return 0; |
1569 | return 0; |
1356 | } |
1570 | } |
1357 | |
1571 | |
1358 | static SV * |
1572 | static SV * |
|
|
1573 | decode_tag (dec_t *dec) |
|
|
1574 | { |
|
|
1575 | SV *tag = 0; |
|
|
1576 | SV *val = 0; |
|
|
1577 | |
|
|
1578 | if (!(dec->json.flags & F_ALLOW_TAGS)) |
|
|
1579 | ERR ("malformed JSON string, neither array, object, number, string or atom"); |
|
|
1580 | |
|
|
1581 | ++dec->cur; |
|
|
1582 | |
|
|
1583 | decode_ws (dec); |
|
|
1584 | |
|
|
1585 | tag = decode_sv (dec); |
|
|
1586 | if (!tag) |
|
|
1587 | goto fail; |
|
|
1588 | |
|
|
1589 | if (!SvPOK (tag)) |
|
|
1590 | ERR ("malformed JSON string, (tag) must be a string"); |
|
|
1591 | |
|
|
1592 | decode_ws (dec); |
|
|
1593 | |
|
|
1594 | if (*dec->cur != ')') |
|
|
1595 | ERR (") expected after tag"); |
|
|
1596 | |
|
|
1597 | ++dec->cur; |
|
|
1598 | |
|
|
1599 | decode_ws (dec); |
|
|
1600 | |
|
|
1601 | val = decode_sv (dec); |
|
|
1602 | if (!val) |
|
|
1603 | goto fail; |
|
|
1604 | |
|
|
1605 | if (!SvROK (val) || SvTYPE (SvRV (val)) != SVt_PVAV) |
|
|
1606 | ERR ("malformed JSON string, tag value must be an array"); |
|
|
1607 | |
|
|
1608 | { |
|
|
1609 | AV *av = (AV *)SvRV (val); |
|
|
1610 | int i, len = av_len (av) + 1; |
|
|
1611 | HV *stash = gv_stashsv (tag, 0); |
|
|
1612 | SV *sv; |
|
|
1613 | |
|
|
1614 | if (!stash) |
|
|
1615 | ERR ("cannot decode perl-object (package does not exist)"); |
|
|
1616 | |
|
|
1617 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
|
|
1618 | |
|
|
1619 | if (!method) |
|
|
1620 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
|
|
1621 | |
|
|
1622 | dSP; |
|
|
1623 | |
|
|
1624 | ENTER; SAVETMPS; |
|
|
1625 | PUSHMARK (SP); |
|
|
1626 | EXTEND (SP, len + 2); |
|
|
1627 | // we re-bless the reference to get overload and other niceties right |
|
|
1628 | PUSHs (tag); |
|
|
1629 | PUSHs (sv_json); |
|
|
1630 | |
|
|
1631 | for (i = 0; i < len; ++i) |
|
|
1632 | PUSHs (*av_fetch (av, i, 1)); |
|
|
1633 | |
|
|
1634 | PUTBACK; |
|
|
1635 | call_sv ((SV *)GvCV (method), G_SCALAR); |
|
|
1636 | SPAGAIN; |
|
|
1637 | |
|
|
1638 | SvREFCNT_dec (tag); |
|
|
1639 | SvREFCNT_dec (val); |
|
|
1640 | sv = SvREFCNT_inc (POPs); |
|
|
1641 | |
|
|
1642 | PUTBACK; |
|
|
1643 | |
|
|
1644 | FREETMPS; LEAVE; |
|
|
1645 | |
|
|
1646 | return sv; |
|
|
1647 | } |
|
|
1648 | |
|
|
1649 | fail: |
|
|
1650 | SvREFCNT_dec (tag); |
|
|
1651 | SvREFCNT_dec (val); |
|
|
1652 | return 0; |
|
|
1653 | } |
|
|
1654 | |
|
|
1655 | static SV * |
1359 | decode_sv (dec_t *dec) |
1656 | decode_sv (dec_t *dec) |
1360 | { |
1657 | { |
1361 | // the beauty of JSON: you need exactly one character lookahead |
1658 | // the beauty of JSON: you need exactly one character lookahead |
1362 | // to parse everything. |
1659 | // to parse everything. |
1363 | switch (*dec->cur) |
1660 | switch (*dec->cur) |
1364 | { |
1661 | { |
1365 | case '"': ++dec->cur; return decode_str (dec); |
1662 | case '"': ++dec->cur; return decode_str (dec); |
1366 | case '[': ++dec->cur; return decode_av (dec); |
1663 | case '[': ++dec->cur; return decode_av (dec); |
1367 | case '{': ++dec->cur; return decode_hv (dec); |
1664 | case '{': ++dec->cur; return decode_hv (dec); |
|
|
1665 | case '(': return decode_tag (dec); |
1368 | |
1666 | |
1369 | case '-': |
1667 | case '-': |
1370 | case '0': case '1': case '2': case '3': case '4': |
1668 | case '0': case '1': case '2': case '3': case '4': |
1371 | case '5': case '6': case '7': case '8': case '9': |
1669 | case '5': case '6': case '7': case '8': case '9': |
1372 | return decode_num (dec); |
1670 | return decode_num (dec); |
1373 | |
1671 | |
|
|
1672 | case 'f': |
|
|
1673 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
|
|
1674 | { |
|
|
1675 | dec->cur += 5; |
|
|
1676 | |
|
|
1677 | if (expect_false (!dec->json.v_false)) |
|
|
1678 | dec->json.v_false = GET_BOOL (false); |
|
|
1679 | |
|
|
1680 | return newSVsv (dec->json.v_false); |
|
|
1681 | } |
|
|
1682 | else |
|
|
1683 | ERR ("'false' expected"); |
|
|
1684 | |
|
|
1685 | break; |
|
|
1686 | |
1374 | case 't': |
1687 | case 't': |
1375 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1688 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1376 | { |
1689 | { |
1377 | dec->cur += 4; |
1690 | dec->cur += 4; |
1378 | #if JSON_SLOW |
1691 | |
1379 | json_true = get_bool ("JSON::XS::true"); |
1692 | if (expect_false (!dec->json.v_true)) |
1380 | #endif |
1693 | dec->json.v_true = GET_BOOL (true); |
|
|
1694 | |
1381 | return newSVsv (json_true); |
1695 | return newSVsv (dec->json.v_true); |
1382 | } |
1696 | } |
1383 | else |
1697 | else |
1384 | ERR ("'true' expected"); |
1698 | ERR ("'true' expected"); |
1385 | |
|
|
1386 | break; |
|
|
1387 | |
|
|
1388 | case 'f': |
|
|
1389 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
|
|
1390 | { |
|
|
1391 | dec->cur += 5; |
|
|
1392 | #if JSON_SLOW |
|
|
1393 | json_false = get_bool ("JSON::XS::false"); |
|
|
1394 | #endif |
|
|
1395 | return newSVsv (json_false); |
|
|
1396 | } |
|
|
1397 | else |
|
|
1398 | ERR ("'false' expected"); |
|
|
1399 | |
1699 | |
1400 | break; |
1700 | break; |
1401 | |
1701 | |
1402 | case 'n': |
1702 | case 'n': |
1403 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4)) |
1703 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4)) |
… | |
… | |
1409 | ERR ("'null' expected"); |
1709 | ERR ("'null' expected"); |
1410 | |
1710 | |
1411 | break; |
1711 | break; |
1412 | |
1712 | |
1413 | default: |
1713 | default: |
1414 | ERR ("malformed JSON string, neither array, object, number, string or atom"); |
1714 | ERR ("malformed JSON string, neither tag, array, object, number, string or atom"); |
1415 | break; |
1715 | break; |
1416 | } |
1716 | } |
1417 | |
1717 | |
1418 | fail: |
1718 | fail: |
1419 | return 0; |
1719 | return 0; |
1420 | } |
1720 | } |
1421 | |
1721 | |
1422 | static SV * |
1722 | static SV * |
1423 | decode_json (SV *string, JSON *json, char **offset_return) |
1723 | decode_json (SV *string, JSON *json, STRLEN *offset_return) |
1424 | { |
1724 | { |
1425 | dec_t dec; |
1725 | dec_t dec; |
1426 | SV *sv; |
1726 | SV *sv; |
1427 | |
1727 | |
1428 | /* work around bugs in 5.10 where manipulating magic values |
1728 | /* work around bugs in 5.10 where manipulating magic values |
1429 | * will perl ignore the magic in subsequent accesses |
1729 | * makes perl ignore the magic in subsequent accesses. |
|
|
1730 | * also make a copy of non-PV values, to get them into a clean |
|
|
1731 | * state (SvPV should do that, but it's buggy, see below). |
|
|
1732 | * |
|
|
1733 | * SvIsCOW_shared_hash works around a bug in perl (possibly 5.16), |
|
|
1734 | * as reported by Reini Urban. |
1430 | */ |
1735 | */ |
1431 | /*SvGETMAGIC (string);*/ |
1736 | /*SvGETMAGIC (string);*/ |
1432 | if (SvMAGICAL (string)) |
1737 | if (SvMAGICAL (string) || !SvPOK (string) || SvIsCOW_shared_hash (string)) |
1433 | string = sv_2mortal (newSVsv (string)); |
1738 | string = sv_2mortal (newSVsv (string)); |
1434 | |
1739 | |
1435 | SvUPGRADE (string, SVt_PV); |
1740 | SvUPGRADE (string, SVt_PV); |
1436 | |
1741 | |
1437 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
1742 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
… | |
… | |
1454 | if (offset > json->max_size && json->max_size) |
1759 | if (offset > json->max_size && json->max_size) |
1455 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1760 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1456 | (unsigned long)SvCUR (string), (unsigned long)json->max_size); |
1761 | (unsigned long)SvCUR (string), (unsigned long)json->max_size); |
1457 | } |
1762 | } |
1458 | |
1763 | |
1459 | if (json->flags & F_UTF8) |
1764 | if (DECODE_WANTS_OCTETS (json)) |
1460 | sv_utf8_downgrade (string, 0); |
1765 | sv_utf8_downgrade (string, 0); |
1461 | else |
1766 | else |
1462 | sv_utf8_upgrade (string); |
1767 | sv_utf8_upgrade (string); |
1463 | |
1768 | |
1464 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1769 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
… | |
… | |
1476 | |
1781 | |
1477 | decode_ws (&dec); |
1782 | decode_ws (&dec); |
1478 | sv = decode_sv (&dec); |
1783 | sv = decode_sv (&dec); |
1479 | |
1784 | |
1480 | if (offset_return) |
1785 | if (offset_return) |
1481 | *offset_return = dec.cur; |
1786 | *offset_return = dec.cur - SvPVX (string); |
1482 | |
1787 | else if (sv) |
1483 | if (!(offset_return || !sv)) |
|
|
1484 | { |
1788 | { |
1485 | // check for trailing garbage |
1789 | // check for trailing garbage |
1486 | decode_ws (&dec); |
1790 | decode_ws (&dec); |
1487 | |
1791 | |
1488 | if (*dec.cur) |
1792 | if (*dec.cur) |
… | |
… | |
1506 | pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
1810 | pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
1507 | LEAVE; |
1811 | LEAVE; |
1508 | |
1812 | |
1509 | croak ("%s, at character offset %d (before \"%s\")", |
1813 | croak ("%s, at character offset %d (before \"%s\")", |
1510 | dec.err, |
1814 | dec.err, |
1511 | ptr_to_index (string, dec.cur), |
1815 | (int)ptr_to_index (string, dec.cur), |
1512 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1816 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1513 | } |
1817 | } |
1514 | |
1818 | |
1515 | sv = sv_2mortal (sv); |
1819 | sv = sv_2mortal (sv); |
1516 | |
1820 | |
1517 | if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
1821 | if (!(dec.json.flags & F_ALLOW_NONREF) && json_nonref (sv)) |
1518 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1822 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1519 | |
1823 | |
1520 | return sv; |
1824 | return sv; |
1521 | } |
1825 | } |
1522 | |
1826 | |
… | |
… | |
1525 | |
1829 | |
1526 | static void |
1830 | static void |
1527 | incr_parse (JSON *self) |
1831 | incr_parse (JSON *self) |
1528 | { |
1832 | { |
1529 | const char *p = SvPVX (self->incr_text) + self->incr_pos; |
1833 | const char *p = SvPVX (self->incr_text) + self->incr_pos; |
|
|
1834 | |
|
|
1835 | // the state machine here is a bit convoluted and could be simplified a lot |
|
|
1836 | // but this would make it slower, so... |
1530 | |
1837 | |
1531 | for (;;) |
1838 | for (;;) |
1532 | { |
1839 | { |
1533 | //printf ("loop pod %d *p<%c><%s>, mode %d nest %d\n", p - SvPVX (self->incr_text), *p, p, self->incr_mode, self->incr_nest);//D |
1840 | //printf ("loop pod %d *p<%c><%s>, mode %d nest %d\n", p - SvPVX (self->incr_text), *p, p, self->incr_mode, self->incr_nest);//D |
1534 | switch (self->incr_mode) |
1841 | switch (self->incr_mode) |
1535 | { |
1842 | { |
1536 | // only used for intiial whitespace skipping |
1843 | // only used for initial whitespace skipping |
1537 | case INCR_M_WS: |
1844 | case INCR_M_WS: |
1538 | for (;;) |
1845 | for (;;) |
1539 | { |
1846 | { |
1540 | if (*p > 0x20) |
1847 | if (*p > 0x20) |
1541 | { |
1848 | { |
|
|
1849 | if (*p == '#') |
|
|
1850 | { |
|
|
1851 | self->incr_mode = INCR_M_C0; |
|
|
1852 | goto incr_m_c; |
|
|
1853 | } |
|
|
1854 | else |
|
|
1855 | { |
1542 | self->incr_mode = INCR_M_JSON; |
1856 | self->incr_mode = INCR_M_JSON; |
1543 | goto incr_m_json; |
1857 | goto incr_m_json; |
|
|
1858 | } |
1544 | } |
1859 | } |
1545 | else if (!*p) |
1860 | else if (!*p) |
1546 | goto interrupt; |
1861 | goto interrupt; |
1547 | |
1862 | |
1548 | ++p; |
1863 | ++p; |
… | |
… | |
1554 | goto interrupt; |
1869 | goto interrupt; |
1555 | |
1870 | |
1556 | ++p; |
1871 | ++p; |
1557 | self->incr_mode = INCR_M_STR; |
1872 | self->incr_mode = INCR_M_STR; |
1558 | goto incr_m_str; |
1873 | goto incr_m_str; |
|
|
1874 | |
|
|
1875 | // inside #-style comments |
|
|
1876 | case INCR_M_C0: |
|
|
1877 | case INCR_M_C1: |
|
|
1878 | incr_m_c: |
|
|
1879 | for (;;) |
|
|
1880 | { |
|
|
1881 | if (*p == '\n') |
|
|
1882 | { |
|
|
1883 | self->incr_mode = self->incr_mode == INCR_M_C0 ? INCR_M_WS : INCR_M_JSON; |
|
|
1884 | break; |
|
|
1885 | } |
|
|
1886 | else if (!*p) |
|
|
1887 | goto interrupt; |
|
|
1888 | |
|
|
1889 | ++p; |
|
|
1890 | } |
|
|
1891 | |
|
|
1892 | break; |
1559 | |
1893 | |
1560 | // inside a string |
1894 | // inside a string |
1561 | case INCR_M_STR: |
1895 | case INCR_M_STR: |
1562 | incr_m_str: |
1896 | incr_m_str: |
1563 | for (;;) |
1897 | for (;;) |
… | |
… | |
1614 | self->incr_mode = INCR_M_STR; |
1948 | self->incr_mode = INCR_M_STR; |
1615 | goto incr_m_str; |
1949 | goto incr_m_str; |
1616 | |
1950 | |
1617 | case '[': |
1951 | case '[': |
1618 | case '{': |
1952 | case '{': |
|
|
1953 | case '(': |
1619 | if (++self->incr_nest > self->max_depth) |
1954 | if (++self->incr_nest > self->max_depth) |
1620 | croak (ERR_NESTING_EXCEEDED); |
1955 | croak (ERR_NESTING_EXCEEDED); |
1621 | break; |
1956 | break; |
1622 | |
1957 | |
1623 | case ']': |
1958 | case ']': |
1624 | case '}': |
1959 | case '}': |
1625 | if (--self->incr_nest <= 0) |
1960 | if (--self->incr_nest <= 0) |
1626 | goto interrupt; |
1961 | goto interrupt; |
|
|
1962 | break; |
|
|
1963 | |
|
|
1964 | case ')': |
|
|
1965 | --self->incr_nest; |
|
|
1966 | break; |
|
|
1967 | |
|
|
1968 | case '#': |
|
|
1969 | self->incr_mode = INCR_M_C1; |
|
|
1970 | goto incr_m_c; |
1627 | } |
1971 | } |
1628 | } |
1972 | } |
1629 | } |
1973 | } |
1630 | |
1974 | |
1631 | modechange: |
1975 | modechange: |
1632 | ; |
1976 | ; |
1633 | } |
1977 | } |
1634 | |
1978 | |
1635 | interrupt: |
1979 | interrupt: |
1636 | self->incr_pos = p - SvPVX (self->incr_text); |
1980 | self->incr_pos = p - SvPVX (self->incr_text); |
|
|
1981 | //printf ("interrupt<%.*s>\n", self->incr_pos, SvPVX(self->incr_text));//D |
1637 | //printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D |
1982 | //printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D |
1638 | } |
1983 | } |
1639 | |
1984 | |
1640 | ///////////////////////////////////////////////////////////////////////////// |
1985 | ///////////////////////////////////////////////////////////////////////////// |
1641 | // XS interface functions |
1986 | // XS interface functions |
… | |
… | |
1651 | i >= '0' && i <= '9' ? i - '0' |
1996 | i >= '0' && i <= '9' ? i - '0' |
1652 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1997 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1653 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1998 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1654 | : -1; |
1999 | : -1; |
1655 | |
2000 | |
1656 | json_stash = gv_stashpv ("JSON::XS" , 1); |
2001 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1657 | json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); |
2002 | bool_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
1658 | |
|
|
1659 | json_true = get_bool ("JSON::XS::true"); |
|
|
1660 | json_false = get_bool ("JSON::XS::false"); |
2003 | bool_false = get_bool ("Types::Serialiser::false"); |
|
|
2004 | bool_true = get_bool ("Types::Serialiser::true"); |
|
|
2005 | |
|
|
2006 | sv_json = newSVpv ("JSON", 0); |
|
|
2007 | SvREADONLY_on (sv_json); |
1661 | |
2008 | |
1662 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
2009 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
1663 | } |
2010 | } |
1664 | |
2011 | |
1665 | PROTOTYPES: DISABLE |
2012 | PROTOTYPES: DISABLE |
1666 | |
2013 | |
1667 | void CLONE (...) |
2014 | void CLONE (...) |
1668 | CODE: |
2015 | CODE: |
|
|
2016 | // as long as these writes are atomic, the race should not matter |
|
|
2017 | // as existing threads either already use 0, or use the old value, |
|
|
2018 | // which is sitll correct for the initial thread. |
1669 | json_stash = 0; |
2019 | json_stash = 0; |
1670 | json_boolean_stash = 0; |
2020 | bool_stash = 0; |
|
|
2021 | bool_false = 0; |
|
|
2022 | bool_true = 0; |
1671 | |
2023 | |
1672 | void new (char *klass) |
2024 | void new (char *klass) |
1673 | PPCODE: |
2025 | PPCODE: |
1674 | { |
2026 | { |
1675 | SV *pv = NEWSV (0, sizeof (JSON)); |
2027 | SV *pv = NEWSV (0, sizeof (JSON)); |
1676 | SvPOK_only (pv); |
2028 | SvPOK_only (pv); |
1677 | json_init ((JSON *)SvPVX (pv)); |
2029 | json_init ((JSON *)SvPVX (pv)); |
1678 | XPUSHs (sv_2mortal (sv_bless ( |
2030 | XPUSHs (sv_2mortal (sv_bless ( |
1679 | newRV_noinc (pv), |
2031 | newRV_noinc (pv), |
1680 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
2032 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
1681 | ))); |
2033 | ))); |
1682 | } |
2034 | } |
|
|
2035 | |
|
|
2036 | void boolean_values (JSON *self, SV *v_false = 0, SV *v_true = 0) |
|
|
2037 | PPCODE: |
|
|
2038 | self->v_false = newSVsv (v_false); |
|
|
2039 | self->v_true = newSVsv (v_true); |
|
|
2040 | XPUSHs (ST (0)); |
|
|
2041 | |
|
|
2042 | void get_boolean_values (JSON *self) |
|
|
2043 | PPCODE: |
|
|
2044 | if (self->v_false && self->v_true) |
|
|
2045 | { |
|
|
2046 | EXTEND (SP, 2); |
|
|
2047 | PUSHs (self->v_false); |
|
|
2048 | PUSHs (self->v_true); |
|
|
2049 | } |
1683 | |
2050 | |
1684 | void ascii (JSON *self, int enable = 1) |
2051 | void ascii (JSON *self, int enable = 1) |
1685 | ALIAS: |
2052 | ALIAS: |
1686 | ascii = F_ASCII |
2053 | ascii = F_ASCII |
1687 | latin1 = F_LATIN1 |
2054 | latin1 = F_LATIN1 |
… | |
… | |
1695 | shrink = F_SHRINK |
2062 | shrink = F_SHRINK |
1696 | allow_blessed = F_ALLOW_BLESSED |
2063 | allow_blessed = F_ALLOW_BLESSED |
1697 | convert_blessed = F_CONV_BLESSED |
2064 | convert_blessed = F_CONV_BLESSED |
1698 | relaxed = F_RELAXED |
2065 | relaxed = F_RELAXED |
1699 | allow_unknown = F_ALLOW_UNKNOWN |
2066 | allow_unknown = F_ALLOW_UNKNOWN |
|
|
2067 | allow_tags = F_ALLOW_TAGS |
1700 | PPCODE: |
2068 | PPCODE: |
1701 | { |
2069 | { |
1702 | if (enable) |
2070 | if (enable) |
1703 | self->flags |= ix; |
2071 | self->flags |= ix; |
1704 | else |
2072 | else |
… | |
… | |
1720 | get_shrink = F_SHRINK |
2088 | get_shrink = F_SHRINK |
1721 | get_allow_blessed = F_ALLOW_BLESSED |
2089 | get_allow_blessed = F_ALLOW_BLESSED |
1722 | get_convert_blessed = F_CONV_BLESSED |
2090 | get_convert_blessed = F_CONV_BLESSED |
1723 | get_relaxed = F_RELAXED |
2091 | get_relaxed = F_RELAXED |
1724 | get_allow_unknown = F_ALLOW_UNKNOWN |
2092 | get_allow_unknown = F_ALLOW_UNKNOWN |
|
|
2093 | get_allow_tags = F_ALLOW_TAGS |
1725 | PPCODE: |
2094 | PPCODE: |
1726 | XPUSHs (boolSV (self->flags & ix)); |
2095 | XPUSHs (boolSV (self->flags & ix)); |
1727 | |
2096 | |
1728 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
2097 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
1729 | PPCODE: |
2098 | PPCODE: |
… | |
… | |
1757 | } |
2126 | } |
1758 | |
2127 | |
1759 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
2128 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
1760 | PPCODE: |
2129 | PPCODE: |
1761 | { |
2130 | { |
1762 | if (!self->cb_sk_object) |
2131 | if (!self->cb_sk_object) |
1763 | self->cb_sk_object = newHV (); |
2132 | self->cb_sk_object = newHV (); |
1764 | |
2133 | |
1765 | if (SvOK (cb)) |
2134 | if (SvOK (cb)) |
1766 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
2135 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
1767 | else |
2136 | else |
… | |
… | |
1778 | XPUSHs (ST (0)); |
2147 | XPUSHs (ST (0)); |
1779 | } |
2148 | } |
1780 | |
2149 | |
1781 | void encode (JSON *self, SV *scalar) |
2150 | void encode (JSON *self, SV *scalar) |
1782 | PPCODE: |
2151 | PPCODE: |
1783 | XPUSHs (encode_json (scalar, self)); |
2152 | PUTBACK; scalar = encode_json (scalar, self); SPAGAIN; |
|
|
2153 | XPUSHs (scalar); |
1784 | |
2154 | |
1785 | void decode (JSON *self, SV *jsonstr) |
2155 | void decode (JSON *self, SV *jsonstr) |
1786 | PPCODE: |
2156 | PPCODE: |
1787 | XPUSHs (decode_json (jsonstr, self, 0)); |
2157 | PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN; |
|
|
2158 | XPUSHs (jsonstr); |
1788 | |
2159 | |
1789 | void decode_prefix (JSON *self, SV *jsonstr) |
2160 | void decode_prefix (JSON *self, SV *jsonstr) |
1790 | PPCODE: |
2161 | PPCODE: |
1791 | { |
2162 | { |
1792 | char *offset; |
2163 | SV *sv; |
|
|
2164 | STRLEN offset; |
|
|
2165 | PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN; |
1793 | EXTEND (SP, 2); |
2166 | EXTEND (SP, 2); |
1794 | PUSHs (decode_json (jsonstr, self, &offset)); |
2167 | PUSHs (sv); |
1795 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset)))); |
2168 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, SvPV_nolen (jsonstr) + offset)))); |
1796 | } |
2169 | } |
1797 | |
2170 | |
1798 | void incr_parse (JSON *self, SV *jsonstr = 0) |
2171 | void incr_parse (JSON *self, SV *jsonstr = 0) |
1799 | PPCODE: |
2172 | PPCODE: |
1800 | { |
2173 | { |
1801 | if (!self->incr_text) |
2174 | if (!self->incr_text) |
1802 | self->incr_text = newSVpvn ("", 0); |
2175 | self->incr_text = newSVpvn ("", 0); |
|
|
2176 | |
|
|
2177 | /* if utf8-ness doesn't match the decoder, need to upgrade/downgrade */ |
|
|
2178 | if (!DECODE_WANTS_OCTETS (self) == !SvUTF8 (self->incr_text)) |
|
|
2179 | if (DECODE_WANTS_OCTETS (self)) |
|
|
2180 | { |
|
|
2181 | if (self->incr_pos) |
|
|
2182 | self->incr_pos = utf8_length ((U8 *)SvPVX (self->incr_text), |
|
|
2183 | (U8 *)SvPVX (self->incr_text) + self->incr_pos); |
|
|
2184 | |
|
|
2185 | sv_utf8_downgrade (self->incr_text, 0); |
|
|
2186 | } |
|
|
2187 | else |
|
|
2188 | { |
|
|
2189 | sv_utf8_upgrade (self->incr_text); |
|
|
2190 | |
|
|
2191 | if (self->incr_pos) |
|
|
2192 | self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos) |
|
|
2193 | - (U8 *)SvPVX (self->incr_text); |
|
|
2194 | } |
1803 | |
2195 | |
1804 | // append data, if any |
2196 | // append data, if any |
1805 | if (jsonstr) |
2197 | if (jsonstr) |
1806 | { |
2198 | { |
|
|
2199 | /* make sure both strings have same encoding */ |
|
|
2200 | if (SvUTF8 (jsonstr) != SvUTF8 (self->incr_text)) |
1807 | if (SvUTF8 (jsonstr)) |
2201 | if (SvUTF8 (jsonstr)) |
|
|
2202 | sv_utf8_downgrade (jsonstr, 0); |
1808 | { |
2203 | else |
1809 | if (!SvUTF8 (self->incr_text)) |
|
|
1810 | { |
|
|
1811 | /* utf-8-ness differs, need to upgrade */ |
|
|
1812 | sv_utf8_upgrade (self->incr_text); |
|
|
1813 | |
|
|
1814 | if (self->incr_pos) |
|
|
1815 | self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos) |
|
|
1816 | - (U8 *)SvPVX (self->incr_text); |
|
|
1817 | } |
|
|
1818 | } |
|
|
1819 | else if (SvUTF8 (self->incr_text)) |
|
|
1820 | sv_utf8_upgrade (jsonstr); |
2204 | sv_utf8_upgrade (jsonstr); |
1821 | |
2205 | |
|
|
2206 | /* and then just blindly append */ |
1822 | { |
2207 | { |
1823 | STRLEN len; |
2208 | STRLEN len; |
1824 | const char *str = SvPV (jsonstr, len); |
2209 | const char *str = SvPV (jsonstr, len); |
1825 | STRLEN cur = SvCUR (self->incr_text); |
2210 | STRLEN cur = SvCUR (self->incr_text); |
1826 | |
2211 | |
1827 | if (SvLEN (self->incr_text) <= cur + len) |
2212 | if (SvLEN (self->incr_text) - cur <= len) |
1828 | SvGROW (self->incr_text, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
2213 | json_sv_grow (self->incr_text, cur, len); |
1829 | |
2214 | |
1830 | Move (str, SvEND (self->incr_text), len, char); |
2215 | Move (str, SvEND (self->incr_text), len, char); |
1831 | SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len); |
2216 | SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len); |
1832 | *SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there |
2217 | *SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there |
1833 | } |
2218 | } |
1834 | } |
2219 | } |
1835 | |
2220 | |
1836 | if (GIMME_V != G_VOID) |
2221 | if (GIMME_V != G_VOID) |
1837 | do |
2222 | do |
1838 | { |
2223 | { |
|
|
2224 | SV *sv; |
1839 | char *offset; |
2225 | STRLEN offset; |
1840 | |
2226 | |
1841 | if (!INCR_DONE (self)) |
2227 | if (!INCR_DONE (self)) |
1842 | { |
2228 | { |
1843 | incr_parse (self); |
2229 | incr_parse (self); |
1844 | |
2230 | |
1845 | if (self->incr_pos > self->max_size && self->max_size) |
2231 | if (self->incr_pos > self->max_size && self->max_size) |
1846 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
2232 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1847 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
2233 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
1848 | |
2234 | |
1849 | if (!INCR_DONE (self)) |
2235 | if (!INCR_DONE (self)) |
|
|
2236 | { |
|
|
2237 | // as an optimisation, do not accumulate white space in the incr buffer |
|
|
2238 | if (self->incr_mode == INCR_M_WS && self->incr_pos) |
|
|
2239 | { |
|
|
2240 | self->incr_pos = 0; |
|
|
2241 | SvCUR_set (self->incr_text, 0); |
|
|
2242 | } |
|
|
2243 | |
1850 | break; |
2244 | break; |
|
|
2245 | } |
1851 | } |
2246 | } |
1852 | |
2247 | |
1853 | XPUSHs (decode_json (self->incr_text, self, &offset)); |
2248 | PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN; |
|
|
2249 | XPUSHs (sv); |
1854 | |
2250 | |
1855 | self->incr_pos -= offset - SvPVX (self->incr_text); |
2251 | self->incr_pos -= offset; |
1856 | self->incr_nest = 0; |
2252 | self->incr_nest = 0; |
1857 | self->incr_mode = 0; |
2253 | self->incr_mode = 0; |
1858 | |
2254 | |
1859 | sv_chop (self->incr_text, offset); |
2255 | sv_chop (self->incr_text, SvPVX (self->incr_text) + offset); |
1860 | } |
2256 | } |
1861 | while (GIMME_V == G_ARRAY); |
2257 | while (GIMME_V == G_ARRAY); |
1862 | } |
2258 | } |
1863 | |
2259 | |
1864 | SV *incr_text (JSON *self) |
2260 | SV *incr_text (JSON *self) |
… | |
… | |
1895 | self->incr_mode = 0; |
2291 | self->incr_mode = 0; |
1896 | } |
2292 | } |
1897 | |
2293 | |
1898 | void DESTROY (JSON *self) |
2294 | void DESTROY (JSON *self) |
1899 | CODE: |
2295 | CODE: |
|
|
2296 | SvREFCNT_dec (self->v_false); |
|
|
2297 | SvREFCNT_dec (self->v_true); |
1900 | SvREFCNT_dec (self->cb_sk_object); |
2298 | SvREFCNT_dec (self->cb_sk_object); |
1901 | SvREFCNT_dec (self->cb_object); |
2299 | SvREFCNT_dec (self->cb_object); |
1902 | SvREFCNT_dec (self->incr_text); |
2300 | SvREFCNT_dec (self->incr_text); |
1903 | |
2301 | |
1904 | PROTOTYPES: ENABLE |
2302 | PROTOTYPES: ENABLE |
1905 | |
2303 | |
1906 | void encode_json (SV *scalar) |
2304 | void encode_json (SV *scalar) |
1907 | ALIAS: |
|
|
1908 | to_json_ = 0 |
|
|
1909 | encode_json = F_UTF8 |
|
|
1910 | PPCODE: |
2305 | PPCODE: |
1911 | { |
2306 | { |
1912 | JSON json; |
2307 | JSON json; |
1913 | json_init (&json); |
2308 | json_init (&json); |
1914 | json.flags |= ix; |
2309 | json.flags |= F_UTF8; |
1915 | XPUSHs (encode_json (scalar, &json)); |
2310 | PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN; |
|
|
2311 | XPUSHs (scalar); |
1916 | } |
2312 | } |
1917 | |
2313 | |
1918 | void decode_json (SV *jsonstr) |
2314 | void decode_json (SV *jsonstr) |
1919 | ALIAS: |
|
|
1920 | from_json_ = 0 |
|
|
1921 | decode_json = F_UTF8 |
|
|
1922 | PPCODE: |
2315 | PPCODE: |
1923 | { |
2316 | { |
1924 | JSON json; |
2317 | JSON json; |
1925 | json_init (&json); |
2318 | json_init (&json); |
1926 | json.flags |= ix; |
2319 | json.flags |= F_UTF8; |
1927 | XPUSHs (decode_json (jsonstr, &json, 0)); |
2320 | PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN; |
|
|
2321 | XPUSHs (jsonstr); |
1928 | } |
2322 | } |
1929 | |
2323 | |
1930 | |
|
|