continue tomorrow

sysgo/UI/plugin.go

@@ -1,15 +1,23 @@
 package UI
 
+import (
+	"plugin"
+)
+var PluginPool = NewPluginPool()
 
 type PluginInterface {
+	Name() string
 	Init(screen *MainScreen)
 	Run(screen *MainScreen)
 }
 
 type Plugin struct {
-	
+	Name string // only ID for plugin
 }
 
+func (self *Plugin) Name() string {
+	return self.Name
+}
 
 func (self *Plugin) Init( screen *MainScreen) {
 	
@@ -19,3 +27,59 @@ func (self *Plugin) Init( screen *MainScreen) {
 func (self *Plugin) Run( screen *MainScreen) {
 	
 }
+
+
+func NewPluginPool() map[string]PluginInterface {
+	pp :=make( map[string]PluginInterface )
+	return pp
+}
+
+func PluginPoolRegister( pi PluginInterface ) bool {
+	name := pi.Name()
+	
+	if _,ok := PluginPool[name]; ok {
+		return false
+	}
+	
+	PluginPool[name] = pi
+}
+
+func LoadPlugin( pname string) (*plugin.Plugin,error) {
+	return plugin.Load(pname)
+}
+
+func InitPlugin(p *plugin.Plugin, main_screen *MainScreen) {
+	symAPI,err := p.Lookup("APIOBJ")
+
+	if err!= nil {
+		log.Fatal( "init plugin failed")
+		return
+	}
+
+	var pi PluginInterface
+	pi,ok := symAPI.(PluginInterface)
+	if !ok {
+		log.Fatal("unexpected type from module symbol")
+		return
+	}
+
+	pi.Init(main_screen)
+}
+
+func RunPlugin(p *plugin.Plugin, main_screen *MainScreen) {
+	symAPI,err := p.Lookup("APIOBJ")
+
+	if err!= nil {
+		log.Fatal( "init plugin failed")
+		return
+	}
+
+	var pi PluginInterface
+	pi,ok := symAPI.(PluginInterface)
+	if !ok {
+		log.Fatal("unexpected type from module symbol")
+		return
+	}
+	pi.Run(main_screen)
+}
+