Class: Puzzle

Inherits:
Object
  • Object
show all
Defined in:
lib/puzzle/version.rb,
ext/libpuzzle.c

Defined Under Namespace

Classes: Error

Constant Summary collapse

VERSION = 
'1.0.1'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#vector ⇒ Object (readonly)

Class Method Details

.new(file_path) ⇒ Object 



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# File 'ext/libpuzzle.c', line 17

VALUE new(VALUE klass, VALUE file_path){
  Puzzle *puzzle;
  VALUE ret = Data_Make_Struct(klass, Puzzle, 0, free_puzzle, puzzle);
  puzzle_init_context(&puzzle->context);
  puzzle_init_cvec(&puzzle->context, &puzzle->vector);

  if(puzzle_fill_cvec_from_file(&puzzle->context, &puzzle->vector, StringValueCStr(file_path)) < 0)
    rb_raise(rb_eError, "failed to open file");

  VALUE rb_vector = rb_str_new((const char*)puzzle->vector.vec, puzzle->vector.sizeof_vec);

  rb_iv_set(ret, "@vector", rb_vector);
  return ret;
}

.uncompress(compressed_string) ⇒ Object 



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# File 'ext/libpuzzle.c', line 61

VALUE uncompress(VALUE klass, VALUE compressed_string){
  Puzzle *puzzle;
  PuzzleCompressedCvec c_cvec;

  VALUE ret = Data_Make_Struct(klass, Puzzle, 0, free_puzzle, puzzle);
  puzzle_init_context(&puzzle->context);
  puzzle_init_cvec(&puzzle->context, &puzzle->vector);
  c_cvec.vec = (unsigned char*)RSTRING_PTR(compressed_string);
  c_cvec.sizeof_compressed_vec = RSTRING_LEN(compressed_string);

  puzzle_uncompress_cvec(&puzzle->context, &c_cvec, &puzzle->vector);

  VALUE rb_vector = rb_str_new((const char*)puzzle->vector.vec, puzzle->vector.sizeof_vec);
  rb_iv_set(ret, "@vector", rb_vector);
  return ret;
}

Instance Method Details

#==(p2) ⇒ Object 



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# File 'ext/libpuzzle.c', line 45

VALUE equal(VALUE p1, VALUE p2){
  return _distance(p1, p2) < 0.6 ? Qtrue : Qfalse;
}

#compress ⇒ Object 



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# File 'ext/libpuzzle.c', line 49

VALUE compress(VALUE self){
  Puzzle *puzzle;
  PuzzleCompressedCvec c_cvec;
  Data_Get_Struct(self, Puzzle, puzzle);
  puzzle_init_compressed_cvec(&puzzle->context, &c_cvec);

  puzzle_compress_cvec(&puzzle->context, &c_cvec, &puzzle->vector);
  VALUE ret = rb_str_new((const char*)c_cvec.vec, c_cvec.sizeof_compressed_vec);
  puzzle_free_compressed_cvec(&puzzle->context, &c_cvec);
  return ret;
}

#distance(p2) ⇒ Object 



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# File 'ext/libpuzzle.c', line 41

VALUE distance(VALUE p1, VALUE p2){
  return rb_float_new(_distance(p1, p2));
}