Start defining box metadata

internal/core/box_metadata.go

@@ -0,0 +1,50 @@
+package core
+
+import "github.com/hashicorp/vagrant/internal/server/proto/vagrant_server"
+
+type BoxMetadata struct {
+	metadata *vagrant_server.BoxMetadata
+}
+
+func LoadBoxMetadata() (*BoxMetadata, error) {
+	// TODO
+	return &BoxMetadata{}, nil
+}
+
+func (b *BoxMetadata) Version(version string) (v *BoxVersion, err error) {
+	v, err = LoadBoxVersion()
+	return
+}
+
+func (b *BoxMetadata) Versions() ([]string, error) {
+	// TODO
+	return []string{}, nil
+}
+
+type BoxVersion struct {
+	version *vagrant_server.BoxMetadata_Version
+}
+
+func LoadBoxVersion() (*BoxVersion, error) {
+	// TODO
+	return &BoxVersion{}, nil
+}
+
+func (b *BoxVersion) Provider(name string) (p *BoxVersionProvider, err error) {
+	p, err = LoadBoxVersionProvider()
+	return
+}
+
+func (b *BoxVersion) Providers() ([]string, error) {
+	// TODO
+	return []string{}, nil
+}
+
+type BoxVersionProvider struct {
+	provider *vagrant_server.BoxMetadata_Version_Provider
+}
+
+func LoadBoxVersionProvider() (*BoxVersionProvider, error) {
+	// TODO
+	return &BoxVersionProvider{}, nil
+}