replace parser with actions/workflow-parser

vendor/github.com/actions/workflow-parser/model/uses.go

@@ -0,0 +1,57 @@
+package model
+
+import (
+	"fmt"
+)
+
+type Uses interface {
+	fmt.Stringer
+	isUses()
+}
+
+// UsesDockerImage represents `uses = "docker://<image>"`
+type UsesDockerImage struct {
+	Image string
+}
+
+// UsesRepository represents `uses = "<owner>/<repo>[/<path>]@<ref>"`
+type UsesRepository struct {
+	Repository string
+	Path       string
+	Ref        string
+}
+
+// UsesPath represents `uses = "./<path>"`
+type UsesPath struct {
+	Path string
+}
+
+// UsesInvalid represents any invalid `uses = "<raw>"` value
+type UsesInvalid struct {
+	Raw string
+}
+
+func (u *UsesDockerImage) isUses() {}
+func (u *UsesRepository) isUses()  {}
+func (u *UsesPath) isUses()        {}
+func (u *UsesInvalid) isUses()     {}
+
+func (u *UsesDockerImage) String() string {
+	return fmt.Sprintf("docker://%s", u.Image)
+}
+
+func (u *UsesRepository) String() string {
+	if u.Path == "" {
+		return fmt.Sprintf("%s@%s", u.Repository, u.Ref)
+	}
+
+	return fmt.Sprintf("%s/%s@%s", u.Repository, u.Path, u.Ref)
+}
+
+func (u *UsesPath) String() string {
+	return fmt.Sprintf("./%s", u.Path)
+}
+
+func (u *UsesInvalid) String() string {
+	return u.Raw
+}