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1 | #define PERL_NO_GET_CONTEXT | |
2 | #include "EXTERN.h" | |
3 | #include "perl.h" | |
4 | #include "XSUB.h" | |
5 | ||
6 | #include "ppport.h" | |
7 | ||
8 | #include <dec/decode.h> | |
9 | ||
10 | #define BUFFER_SIZE 1048576 | |
11 | static uint8_t buffer[BUFFER_SIZE]; /* It's almost 2016, is anyone still using ithreads? */ | |
12 | ||
13 | MODULE = IO::Compress::Brotli PACKAGE = IO::Uncompress::Brotli | |
14 | PROTOTYPES: ENABLE | |
15 | ||
16 | SV* unbro(buffer) | |
17 | SV* buffer | |
18 | PREINIT: | |
19 | size_t decoded_size; | |
20 | STRLEN encoded_size; | |
21 | uint8_t *encoded_buffer, *decoded_buffer; | |
22 | CODE: | |
23 | encoded_buffer = (uint8_t*) SvPV(buffer, encoded_size); | |
24 | if(!BrotliDecompressedSize(encoded_size, encoded_buffer, &decoded_size)){ | |
25 | croak("Error in BrotliDecompressedSize"); | |
26 | } | |
27 | Newx(decoded_buffer, decoded_size+1, uint8_t); | |
28 | decoded_buffer[decoded_size]=0; | |
29 | if(!BrotliDecompressBuffer(encoded_size, encoded_buffer, &decoded_size, decoded_buffer)){ | |
30 | croak("Error in BrotliDecompressBuffer"); | |
31 | } | |
32 | RETVAL = newSV(0); | |
33 | sv_usepvn_flags(RETVAL, decoded_buffer, decoded_size, SV_HAS_TRAILING_NUL); | |
34 | OUTPUT: | |
35 | RETVAL | |
36 | ||
37 | SV* BrotliCreateState() | |
38 | CODE: | |
39 | RETVAL = newSViv((IV)BrotliCreateState(NULL, NULL, NULL)); | |
40 | OUTPUT: | |
41 | RETVAL | |
42 | ||
43 | void BrotliDestroyState(state) | |
44 | SV* state | |
45 | CODE: | |
46 | BrotliDestroyState((BrotliState*)SvIV(state)); | |
47 | ||
48 | SV* BrotliDecompressStream(state, in) | |
49 | SV* state | |
50 | SV* in | |
51 | PREINIT: | |
52 | uint8_t *next_in, *next_out; | |
53 | size_t available_in, available_out, total_out; | |
54 | BrotliResult result; | |
55 | CODE: | |
56 | next_in = (uint8_t*) SvPV(in, available_in); | |
57 | RETVAL = newSVpv("", 0); | |
58 | result = BROTLI_RESULT_NEEDS_MORE_OUTPUT; | |
59 | while(result == BROTLI_RESULT_NEEDS_MORE_OUTPUT) { | |
60 | next_out = buffer; | |
61 | available_out=BUFFER_SIZE; | |
62 | result = BrotliDecompressStream(&available_in, (const uint8_t**) &next_in, &available_out, &next_out, &total_out, (BrotliState*) SvIV(state)); | |
63 | if(!result){ | |
64 | croak("Error in BrotliDecompressStream"); | |
65 | } | |
66 | sv_catpvn(RETVAL, (const char*)buffer, BUFFER_SIZE-available_out); | |
67 | } | |
68 | OUTPUT: | |
69 | RETVAL | |
70 | ||
71 | void BrotliSetCustomDictionary(state, dict) | |
72 | SV* state | |
73 | SV* dict | |
74 | PREINIT: | |
75 | size_t size; | |
76 | uint8_t *data; | |
77 | CODE: | |
78 | data = SvPV(dict, size); | |
79 | BrotliSetCustomDictionary(size, data, (BrotliState*) SvIV(state)); |