kind.go RawHistoryFolder

1package types
2
3import (
4	"strings"
5
6	"github.com/bnema/puregotk/internal/gir/util"
7)
8
9type Kind int8
10
11const (
12	UnknownType Kind = iota
13	AliasType
14	CallbackType
15	ClassesType
16	InterfacesType
17	RecordsType
18	SliceType
19	OtherType
20)
21
22type KindMap map[string]KindPair
23
24func (km KindMap) key(ns string, name string) string {
25	return util.NormalizeNamespace(ns, name, false)
26}
27
28func (km KindMap) Add(ns string, name string, t Kind, v interface{}) {
29	k := km.key(ns, name)
30	km[k] = KindPair{
31		K:     t,
32		Value: v,
33	}
34}
35
36func (km KindMap) pair(ns string, name string) KindPair {
37	f := util.NormalizeNamespace(ns, name, false)
38	return km[f]
39}
40
41func (km KindMap) Kind(ns string, name string) Kind {
42	if strings.HasPrefix(name, "[") {
43		return SliceType
44	}
45	return km.pair(ns, name).K
46}
47
48func (km KindMap) MustInterface(ns string, name string) Interface {
49	p := km.pair(ns, name)
50	if p.K != InterfacesType {
51		panic("value is not an interface")
52	}
53	return p.Value.(Interface)
54}
55
56// GetCallback retrieves a callback definition by namespace and name.
57// Returns the Callback and true if found, otherwise nil and false.
58func (km KindMap) GetCallback(ns string, name string) (Callback, bool) {
59	p := km.pair(ns, name)
60	if p.K != CallbackType {
61		return Callback{}, false
62	}
63	cb, ok := p.Value.(Callback)
64	return cb, ok
65}
66
67type KindPair struct {
68	K     Kind
69	Value interface{}
70}