selectors.has source code

1 module selectors.has;
2 
3 import std.algorithm;
4 import std.array;
5 import std.traits;
6 
7 
8 import introspection.callable;
9 import introspection.attribute;
10 import introspection.parameter;
11 
12 version(unittest) {
13   import fluent.asserts;
14 }
15 
16 /// Callables checks
17 struct HasCallable {
18   private {
19     Callable callable;
20   }
21 
22   this(Callable callable) @safe pure nothrow {
23     this.callable = callable;
24   }
25 
26   bool anyParameterOfType(string typeName) @safe pure nothrow {
27     foreach (Parameter parameter; callable.parameters) {
28       if(parameter.type.name == typeName || parameter.type.fullyQualifiedName == typeName) {
29         return true;
30       }
31     }
32 
33     return false;
34   }
35 }
36 
37 /// Callables checks
38 HasCallable has(Callable callable) @safe pure nothrow {
39   return HasCallable(callable);
40 }
41 
42 
43 /// Checks if it has an attribute of type
44 unittest {
45   @("test")
46   void test(string, int) { }
47 
48   enum item = describeCallable!test;
49 
50   item.has.anyParameterOfType("other").should.equal(false);
51   item.has.anyParameterOfType("string").should.equal(true);
52   item.has.anyParameterOfType("int").should.equal(true);
53 }
54 
55