Module: Brotli

Defined in:
lib/brotli/version.rb,
ext/brotli/brotli.c

Defined Under Namespace

Classes: Error

Constant Summary collapse

VERSION = 
'0.2.0'

Class Method Summary collapse

Class Method Details

.deflate(str, opts = nil) ⇒ String

Returns Deflated string

Returns:

  • (String)

Parameters:

  • str (String) —

    string

  • opts (Hash) —

    options

Returns:

  • (String) —

    Deflated string



264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
 
# File 'ext/brotli/brotli.c', line 264

static VALUE
brotli_deflate(int argc, VALUE *argv, VALUE self)
{
    VALUE str = Qnil, opts = Qnil, value = Qnil;
    brotli_deflate_args_t args;

    rb_scan_args(argc, argv, "11", &str, &opts);
    StringValue(str);

    args.str = (uint8_t*)RSTRING_PTR(str);
    args.len = (size_t)RSTRING_LEN(str);
    args.s = brotli_deflate_parse_options(
        BrotliEncoderCreateInstance(brotli_alloc, brotli_free, NULL),
        opts);
    args.buffer = create_buffer(BUFSIZ);
    args.finished = BROTLI_FALSE;

#ifdef HAVE_RUBY_THREAD_H
    rb_thread_call_without_gvl(brotli_deflate_no_gvl, (void *)&args, NULL, NULL);
#else
    brotli_deflate_no_gvl((void *)&args);
#endif
    if (args.finished == BROTLI_TRUE) {
        value = rb_str_new(args.buffer->ptr, args.buffer->used);
    }

    delete_buffer(args.buffer);
    BrotliEncoderDestroyInstance(args.s);

    return value;
}

.inflate(str) ⇒ Object 



72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
 
# File 'ext/brotli/brotli.c', line 72

static VALUE
brotli_inflate(VALUE self, VALUE str)
{
    VALUE value = Qnil;
    brotli_inflate_args_t args;

    StringValue(str);

    args.str = (uint8_t*)RSTRING_PTR(str);
    args.len = (size_t)RSTRING_LEN(str);
    args.buffer = create_buffer(BUFSIZ);
    args.s = BrotliDecoderCreateInstance(brotli_alloc,
                                         brotli_free,
                                         NULL);
    args.r = BROTLI_DECODER_RESULT_ERROR;

#ifdef HAVE_RUBY_THREAD_H
    rb_thread_call_without_gvl(brotli_inflate_no_gvl, (void *)&args, NULL, NULL);
#else
    brotli_inflate_no_gvl((void *)&args);
#endif
    if (args.r == BROTLI_DECODER_RESULT_SUCCESS) {
        value = rb_str_new(args.buffer->ptr, args.buffer->used);
        delete_buffer(args.buffer);
        BrotliDecoderDestroyInstance(args.s);
    } else if (args.r == BROTLI_DECODER_RESULT_ERROR) {
        const char * error = BrotliDecoderErrorString(BrotliDecoderGetErrorCode(args.s));
        delete_buffer(args.buffer);
        BrotliDecoderDestroyInstance(args.s);
        rb_raise(rb_eBrotli, "%s", error);
    } else if (args.r == BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT) {
        delete_buffer(args.buffer);
        BrotliDecoderDestroyInstance(args.s);
        rb_raise(rb_eBrotli, "Needs more input");
    } else if (args.r == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) {
        /* never reach to this block */
        delete_buffer(args.buffer);
        BrotliDecoderDestroyInstance(args.s);
        rb_raise(rb_eBrotli, "Needs more output");
    }

    return value;
}