now is go gettable and updated make file

cmd/micro/command.go

@@ -0,0 +1,97 @@
+package main
+
+import (
+	"os"
+	"regexp"
+	"strings"
+)
+
+// HandleCommand handles input from the user
+func HandleCommand(input string, view *View) {
+	inputCmd := strings.Split(input, " ")[0]
+	args := strings.Split(input, " ")[1:]
+
+	commands := []string{"set", "quit", "save", "replace"}
+
+	i := 0
+	cmd := inputCmd
+
+	for _, c := range commands {
+		if strings.HasPrefix(c, inputCmd) {
+			i++
+			cmd = c
+		}
+	}
+	if i == 1 {
+		inputCmd = cmd
+	}
+
+	switch inputCmd {
+	case "set":
+		SetOption(view, args)
+	case "quit":
+		if view.CanClose("Quit anyway? ") {
+			screen.Fini()
+			os.Exit(0)
+		}
+	case "save":
+		view.Save()
+	case "replace":
+		r := regexp.MustCompile(`"[^"\\]*(?:\\.[^"\\]*)*"|[^\s]*`)
+		replaceCmd := r.FindAllString(strings.Join(args, " "), -1)
+		if len(replaceCmd) < 2 {
+			messenger.Error("Invalid replace statement: " + strings.Join(args, " "))
+			return
+		}
+
+		var flags string
+		if len(replaceCmd) == 3 {
+			// The user included some flags
+			flags = replaceCmd[2]
+		}
+
+		search := string(replaceCmd[0])
+		replace := string(replaceCmd[1])
+
+		if strings.HasPrefix(search, `"`) && strings.HasSuffix(search, `"`) {
+			search = search[1 : len(search)-1]
+		}
+		if strings.HasPrefix(replace, `"`) && strings.HasSuffix(replace, `"`) {
+			replace = replace[1 : len(replace)-1]
+		}
+
+		search = strings.Replace(search, `\"`, `"`, -1)
+		replace = strings.Replace(replace, `\"`, `"`, -1)
+
+		// messenger.Error(search + " -> " + replace)
+
+		regex, err := regexp.Compile(search)
+		if err != nil {
+			messenger.Error(err.Error())
+			return
+		}
+
+		found := false
+		for {
+			match := regex.FindStringIndex(view.buf.text)
+			if match == nil {
+				break
+			}
+			found = true
+			if strings.Contains(flags, "c") {
+				// 	// The 'check' flag was used
+				// 	if messenger.YesNoPrompt("Perform replacement?") {
+				// 		view.eh.Replace(match[0], match[1], replace)
+				// 	} else {
+				// 		continue
+				// 	}
+			}
+			view.eh.Replace(match[0], match[1], replace)
+		}
+		if !found {
+			messenger.Message("Nothing matched " + search)
+		}
+	default:
+		messenger.Error("Unknown command: " + inputCmd)
+	}
+}