Add Open command for view

cmd/micro/actions.go

@@ -1,13 +1,11 @@
 package main
 
 import (
-	"io/ioutil"
 	"os"
 	"strconv"
 	"strings"
 	"time"
 
-	"github.com/mitchellh/go-homedir"
 	"github.com/yuin/gopher-lua"
 	"github.com/zyedidia/clipboard"
 )
@@ -1018,18 +1016,7 @@ func (v *View) OpenFile(usePlugin bool) bool {
 		// the filename might or might not be quoted, so unquote first then join the strings.
 		filename = strings.Join(SplitCommandArgs(filename), " ")
 
-		home, _ := homedir.Dir()
+		v.Open(filename)
-		filename = strings.Replace(filename, "~", home, 1)
-		file, err := ioutil.ReadFile(filename)
-
-		var buf *Buffer
-		if err != nil {
-			// File does not exist -- create an empty buffer with that name
-			buf = NewBuffer([]byte{}, filename)
-		} else {
-			buf = NewBuffer(file, filename)
-		}
-		v.OpenBuffer(buf)
 
 		if usePlugin {
 			return PostActionCall("OpenFile", v)

cmd/micro/micro.go

@@ -307,6 +307,7 @@ func main() {
 	L.SetGlobal("HandleShellCommand", luar.New(L, HandleShellCommand))
 	L.SetGlobal("GetLeadingWhitespace", luar.New(L, GetLeadingWhitespace))
 	L.SetGlobal("MakeCompletion", luar.New(L, MakeCompletion))
+	L.SetGlobal("NewBuffer", luar.New(L, NewBuffer))
 
 	// Used for asynchronous jobs
 	L.SetGlobal("JobStart", luar.New(L, JobStart))

cmd/micro/view.go

@@ -1,11 +1,13 @@
 package main
 
 import (
+	"io/ioutil"
 	"strconv"
 	"strings"
 	"time"
 
 	"github.com/mattn/go-runewidth"
+	"github.com/mitchellh/go-homedir"
 	"github.com/zyedidia/tcell"
 )
 
@@ -221,6 +223,22 @@ func (v *View) OpenBuffer(buf *Buffer) {
 	v.lastClickTime = time.Time{}
 }
 
+func (v *View) Open(filename string) {
+	home, _ := homedir.Dir()
+	filename = strings.Replace(filename, "~", home, 1)
+	file, err := ioutil.ReadFile(filename)
+
+	var buf *Buffer
+	if err != nil {
+		messenger.Message(err.Error())
+		// File does not exist -- create an empty buffer with that name
+		buf = NewBuffer([]byte{}, filename)
+	} else {
+		buf = NewBuffer(file, filename)
+	}
+	v.OpenBuffer(buf)
+}
+
 // CloseBuffer performs any closing functions on the buffer
 func (v *View) CloseBuffer() {
 	if v.Buf != nil {