refact: refactored session core handlers

session/session.go

@@ -6,11 +6,8 @@ import (
 	"os"
 	"os/signal"
 	"os/user"
-	"sort"
-	"strconv"
 	"strings"
 	"syscall"
-	"time"
 
 	"github.com/chzyer/readline"
 
@@ -71,136 +68,6 @@ func New() (*Session, error) {
 	return s, nil
 }
 
-func (s *Session) registerCoreHandlers() {
-	s.CoreHandlers = append(s.CoreHandlers, NewCommandHandler("help", "^(help|\\?)$",
-		"Display list of available commands.",
-		func(args []string, s *Session) error {
-			fmt.Println()
-			fmt.Printf("Basic commands:\n\n")
-			for _, h := range s.CoreHandlers {
-				fmt.Printf("  "+core.Bold("%"+strconv.Itoa(s.HelpPadding)+"s")+" : %s\n", h.Name, h.Description)
-			}
-
-			sort.Slice(s.Modules, func(i, j int) bool {
-				return s.Modules[i].Name() < s.Modules[j].Name()
-			})
-
-			for _, m := range s.Modules {
-				fmt.Println()
-				status := ""
-				if m.Running() {
-					status = core.Green("active")
-				} else {
-					status = core.Red("not active")
-				}
-				fmt.Printf("%s [%s]\n", m.Name(), status)
-				fmt.Println(core.Dim(m.Description()) + "\n")
-				for _, h := range m.Handlers() {
-					fmt.Printf(h.Help(s.HelpPadding))
-				}
-
-				params := m.Parameters()
-				if len(params) > 0 {
-					fmt.Printf("\n  Parameters\n\n")
-					for _, p := range params {
-						fmt.Printf(p.Help(s.HelpPadding))
-					}
-					fmt.Println()
-				}
-			}
-
-			return nil
-		}))
-
-	s.CoreHandlers = append(s.CoreHandlers, NewCommandHandler("active", "^active$",
-		"Show information about active modules.",
-		func(args []string, s *Session) error {
-			for _, m := range s.Modules {
-				if m.Running() == false {
-					continue
-				}
-				fmt.Printf("[%s] %s (%s)\n", core.Green("active"), m.Name(), core.Dim(m.Description()))
-				params := m.Parameters()
-				if len(params) > 0 {
-					for _, p := range params {
-						_, p.Value = s.Env.Get(p.Name)
-						fmt.Printf("  %s: '%s'\n", p.Name, core.Yellow(p.Value))
-					}
-					fmt.Println()
-				}
-			}
-
-			return nil
-		}))
-
-	s.CoreHandlers = append(s.CoreHandlers, NewCommandHandler("exit", "^(q|quit|e|exit)$",
-		"Close the session and exit.",
-		func(args []string, s *Session) error {
-			s.Active = false
-			s.Input.Close()
-			return nil
-		}))
-
-	s.CoreHandlers = append(s.CoreHandlers, NewCommandHandler("sleep SECONDS", "^sleep\\s+(\\d+)$",
-		"Sleep for the given amount of seconds.",
-		func(args []string, s *Session) error {
-			if secs, err := strconv.Atoi(args[0]); err == nil {
-				time.Sleep(time.Duration(secs) * time.Second)
-				return nil
-			} else {
-				return err
-			}
-		}))
-
-	s.CoreHandlers = append(s.CoreHandlers, NewCommandHandler("get NAME", "^get\\s+(.+)",
-		"Get the value of variable NAME, use * for all.",
-		func(args []string, s *Session) error {
-			key := args[0]
-			if key == "*" {
-				prev_ns := ""
-
-				fmt.Println()
-				for _, k := range s.Env.Sorted() {
-					ns := ""
-					toks := strings.Split(k, ".")
-					if len(toks) > 0 {
-						ns = toks[0]
-					}
-
-					if ns != prev_ns {
-						fmt.Println()
-						prev_ns = ns
-					}
-
-					fmt.Printf("  %"+strconv.Itoa(s.Env.Padding)+"s: '%s'\n", k, s.Env.Storage[k])
-				}
-				fmt.Println()
-			} else if found, value := s.Env.Get(key); found == true {
-				fmt.Println()
-				fmt.Printf("  %s: '%s'\n", key, value)
-				fmt.Println()
-			} else {
-				return fmt.Errorf("%s not found", key)
-			}
-
-			return nil
-		}))
-
-	s.CoreHandlers = append(s.CoreHandlers, NewCommandHandler("set NAME VALUE", "^set\\s+([^\\s]+)\\s+(.+)",
-		"Set the VALUE of variable NAME.",
-		func(args []string, s *Session) error {
-			key := args[0]
-			value := args[1]
-
-			if value == "\"\"" {
-				value = ""
-			}
-
-			s.Env.Set(key, value)
-			return nil
-		}))
-}
-
 func (s *Session) setupInput() error {
 	var err error