Module: Brotli

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

Defined Under Namespace

Classes: Error

Constant Summary collapse

VERSION = 
'0.2.3'

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



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# 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 



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# 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;
}