Class: VCDiff::Decoder

Inherits:
Object
  • Object
show all
Defined in:
ext/vcdiff_wrap.cxx

Instance Method Summary collapse

Instance Method Details

#decode(dictionary, delta) ⇒ String?

Performs decoding of the delta using the provided dictionary, returning str, or nil if the decoder fails.

Returns:

  • (String, nil) 


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# File 'ext/vcdiff_wrap.cxx', line 152

static VALUE _wrap_VCDiffDecoder_Decode(VALUE self, VALUE dict, VALUE delta) {
  	open_vcdiff::VCDiffDecoder *decoder = NULL;
  	bool result;
  	VALUE str;
	VALUE d;
  	string output;
	string *c_delta;

	Data_Get_Struct(self, open_vcdiff::VCDiffDecoder, decoder);
  	str = StringValue(dict);

	d = StringValue(delta);
	c_delta = new string(RSTRING_PTR(d), RSTRING_LEN(d));
	
  	result = decoder->Decode((char const *)RSTRING_PTR(str), RSTRING_LEN(str), *c_delta , &output);
	delete c_delta;
	
  	if (result) {
		str = rb_str_new(output.data(), output.length());
		output.clear();
		return str;
  	} else {
		return Qnil;
  	}
}