Class: RbPod::Collection

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
ext/rbpod/collection.c

Instance Method Summary collapse

Instance Method Details

#[](key) ⇒ Object 



19
20
21
22
23
24
25
26
27
28
29
30
31
 
# File 'ext/rbpod/collection.c', line 19

static VALUE rbpod_collection_get(VALUE self, VALUE key)
{
    struct collection *collection = TYPED_DATA_PTR(self, struct collection);
    GList *current = NULL;

    if (FIXNUM_P(key) == FALSE) {
        return Qnil;
    }

    current = g_list_nth(collection->list, FIX2INT(key));

    return Data_Wrap_Struct(collection->klass, NULL, NULL, (void *) current->data);
}

#each ⇒ Object 



63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
 
# File 'ext/rbpod/collection.c', line 63

static VALUE rbpod_collection_each(VALUE self)
{
    struct collection *collection = TYPED_DATA_PTR(self, struct collection);
    GList *current = NULL;
    VALUE item;

    if (rb_block_given_p() == FALSE) {
        return rb_funcall(self, rb_intern("enum_for"), 1, ID2SYM(rb_intern("each")));
    }

    /* If we were supplied a block, enumerate the entire list. */
    for (current = collection->list; current != NULL; current = current->next) {
        item = Data_Wrap_Struct(collection->klass, NULL, NULL, (void *) current->data);
        rb_yield(item);
    }

    return Qnil;
}

#first ⇒ Object 



45
46
47
48
49
50
51
52
53
54
55
 
# File 'ext/rbpod/collection.c', line 45

static VALUE rbpod_collection_first(VALUE self)
{
    struct collection *collection = TYPED_DATA_PTR(self, struct collection);
    GList *current = g_list_first(collection->list);

    if (current == NULL) {
        return Qnil;
    }

    return Data_Wrap_Struct(collection->klass, NULL, NULL, (void *) current->data);
}

#last ⇒ Object 



33
34
35
36
37
38
39
40
41
42
43
 
# File 'ext/rbpod/collection.c', line 33

static VALUE rbpod_collection_last(VALUE self)
{
    struct collection *collection = TYPED_DATA_PTR(self, struct collection);
    GList *current = g_list_last(collection->list);

    if (current == NULL) {
        return Qnil;
    }

    return Data_Wrap_Struct(collection->klass, NULL, NULL, (void *) current->data);
}

#length ⇒ Object Also known as: size 



57
58
59
60
61
 
# File 'ext/rbpod/collection.c', line 57

static VALUE rbpod_collection_length(VALUE self)
{
    struct collection *collection = TYPED_DATA_PTR(self, struct collection);
    return INT2NUM(g_list_length(collection->list));
}