src/Binary.vala


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44

namespace Eva {
  public class Binary : Object, Term {
    public void* data {get; private set;}
    public long len {get; private set;}
    
    public string string_value {
      owned get{
        return binary_to_string(data, len);
      }
    }
    
    public Binary(char[] v) {
      data = Memory.dup(v, (uint)(sizeof(char)*v.length));
      len = v.length;
    }
    
    public string to_string() {
      return "#Bin";
    }
    
    protected bool do_match(Term o, Gee.Map<string, Term> vars, Gee.Map<string, string> aliases) {
      if(o is Var) {
        return o.do_match(this, vars, aliases);
      }
      
      if(o is Binary) {
        Binary b = o as Binary;
        
        if(b.len != len)
          return false;
        
        return (Memory.cmp(data, b.data, len) == 0);
      }
      else {
        return false;
      }
    }

    
    public void encode(Erl.Buffer buffer) {
      buffer.encode_binary(data, len);
    }
  }
}