package main
import (
- "bytes"
"fmt"
"os"
- "os/exec"
- "os/signal"
"path/filepath"
"regexp"
"runtime"
"strconv"
"strings"
+ "unicode/utf8"
humanize "github.com/dustin/go-humanize"
"github.com/zyedidia/micro/cmd/micro/shellwords"
"Pwd": Pwd,
"Open": Open,
"TabSwitch": TabSwitch,
+ "Term": Term,
"MemUsage": MemUsage,
"Retab": Retab,
"Raw": Raw,
"pwd": {"Pwd", []Completion{NoCompletion}},
"open": {"Open", []Completion{FileCompletion}},
"tabswitch": {"TabSwitch", []Completion{NoCompletion}},
+ "term": {"Term", []Completion{NoCompletion}},
"memusage": {"MemUsage", []Completion{NoCompletion}},
"retab": {"Retab", []Completion{NoCompletion}},
"raw": {"Raw", []Completion{NoCompletion}},
}
}
+// CommandEditAction returns a bindable function that opens a prompt with
+// the given string and executes the command when the user presses
+// enter
+func CommandEditAction(prompt string) func(*View, bool) bool {
+ return func(v *View, usePlugin bool) bool {
+ input, canceled := messenger.Prompt("> ", prompt, "Command", CommandCompletion)
+ if !canceled {
+ HandleCommand(input)
+ }
+ return false
+ }
+}
+
+// CommandAction returns a bindable function which executes the
+// given command
+func CommandAction(cmd string) func(*View, bool) bool {
+ return func(v *View, usePlugin bool) bool {
+ HandleCommand(cmd)
+ return false
+ }
+}
+
// PluginCmd installs, removes, updates, lists, or searches for given plugins
func PluginCmd(args []string) {
if len(args) >= 1 {
continue
}
}
- if !IsSpaces(removed) {
+ if !IsSpaces([]byte(removed)) {
messenger.Message("Removed ", removed)
} else {
messenger.Error("The requested plugins do not exist")
}
}
+// Retab changes all spaces to tabs or all tabs to spaces
+// depending on the user's settings
func Retab(args []string) {
CurView().Retab(true)
}
+// Raw opens a new raw view which displays the escape sequences micro
+// is receiving in real-time
func Raw(args []string) {
buf := NewBufferFromString("", "Raw events")
if len(args) == 0 {
CurView().VSplit(NewBufferFromString("", ""))
} else {
- filename := args[0]
- filename = ReplaceHome(filename)
- file, err := os.Open(filename)
- fileInfo, _ := os.Stat(filename)
-
- if err == nil && fileInfo.IsDir() {
- messenger.Error(filename, " is a directory")
- return
- }
-
- defer file.Close()
-
- var buf *Buffer
+ buf, err := NewBufferFromFile(args[0])
if err != nil {
- // File does not exist -- create an empty buffer with that name
- buf = NewBufferFromString("", filename)
- } else {
- buf = NewBuffer(file, FSize(file), filename)
+ messenger.Error(err)
+ return
}
CurView().VSplit(buf)
}
if len(args) == 0 {
CurView().HSplit(NewBufferFromString("", ""))
} else {
- filename := args[0]
- filename = ReplaceHome(filename)
- file, err := os.Open(filename)
- fileInfo, _ := os.Stat(filename)
-
- if err == nil && fileInfo.IsDir() {
- messenger.Error(filename, " is a directory")
- return
- }
-
- defer file.Close()
-
- var buf *Buffer
+ buf, err := NewBufferFromFile(args[0])
if err != nil {
- // File does not exist -- create an empty buffer with that name
- buf = NewBufferFromString("", filename)
- } else {
- buf = NewBuffer(file, FSize(file), filename)
+ messenger.Error(err)
+ return
}
CurView().HSplit(buf)
}
if len(args) == 0 {
CurView().AddTab(true)
} else {
- filename := args[0]
- filename = ReplaceHome(filename)
- file, err := os.Open(filename)
- fileInfo, _ := os.Stat(filename)
-
- if err == nil && fileInfo.IsDir() {
- messenger.Error(filename, " is a directory")
- return
- }
-
- defer file.Close()
-
- var buf *Buffer
+ buf, err := NewBufferFromFile(args[0])
if err != nil {
- buf = NewBufferFromString("", filename)
- } else {
- buf = NewBuffer(file, FSize(file), filename)
+ messenger.Error(err)
+ return
}
tab := NewTabFromView(NewView(buf))
}
replace := string(args[1])
+ replaceBytes := []byte(replace)
regex, err := regexp.Compile("(?m)" + search)
if err != nil {
found := 0
replaceAll := func() {
var deltas []Delta
- deltaXOffset := Count(replace) - Count(search)
for i := 0; i < view.Buf.LinesNum(); i++ {
- matches := regex.FindAllIndex(view.Buf.lines[i].data, -1)
- str := string(view.Buf.lines[i].data)
-
- if matches != nil {
- xOffset := 0
- for _, m := range matches {
- from := Loc{runePos(m[0], str) + xOffset, i}
- to := Loc{runePos(m[1], str) + xOffset, i}
+ newText := regex.ReplaceAllFunc(view.Buf.lines[i].data, func(in []byte) []byte {
+ found++
+ return replaceBytes
+ })
- xOffset += deltaXOffset
+ from := Loc{0, i}
+ to := Loc{utf8.RuneCount(view.Buf.lines[i].data), i}
- deltas = append(deltas, Delta{replace, from, to})
- found++
- }
- }
+ deltas = append(deltas, Delta{string(newText), from, to})
}
view.Buf.MultipleReplace(deltas)
}
Replace(append(args, "-a"))
}
-// RunShellCommand executes a shell command and returns the output/error
-func RunShellCommand(input string) (string, error) {
- args, err := shellwords.Split(input)
- if err != nil {
- return "", err
+// Term opens a terminal in the current view
+func Term(args []string) {
+ var err error
+ if len(args) == 0 {
+ err = CurView().StartTerminal([]string{os.Getenv("SHELL"), "-i"}, true, false, "")
+ } else {
+ err = CurView().StartTerminal(args, true, false, "")
}
- inputCmd := args[0]
-
- cmd := exec.Command(inputCmd, args[1:]...)
- outputBytes := &bytes.Buffer{}
- cmd.Stdout = outputBytes
- cmd.Stderr = outputBytes
- cmd.Start()
- err = cmd.Wait() // wait for command to finish
- outstring := outputBytes.String()
- return outstring, err
-}
-
-// HandleShellCommand runs the shell command
-// The openTerm argument specifies whether a terminal should be opened (for viewing output
-// or interacting with stdin)
-func HandleShellCommand(input string, openTerm bool, waitToFinish bool) string {
- args, err := shellwords.Split(input)
if err != nil {
- return ""
- }
- inputCmd := args[0]
- if !openTerm {
- // Simply run the command in the background and notify the user when it's done
- messenger.Message("Running...")
- go func() {
- output, err := RunShellCommand(input)
- totalLines := strings.Split(output, "\n")
-
- if len(totalLines) < 3 {
- if err == nil {
- messenger.Message(inputCmd, " exited without error")
- } else {
- messenger.Message(inputCmd, " exited with error: ", err, ": ", output)
- }
- } else {
- messenger.Message(output)
- }
- // We have to make sure to redraw
- RedrawAll()
- }()
- } else {
- // Shut down the screen because we're going to interact directly with the shell
- screen.Fini()
- screen = nil
-
- args := args[1:]
-
- // Set up everything for the command
- var output string
- cmd := exec.Command(inputCmd, args...)
- cmd.Stdin = os.Stdin
- cmd.Stdout = os.Stdout
- cmd.Stderr = os.Stderr
-
- // This is a trap for Ctrl-C so that it doesn't kill micro
- // Instead we trap Ctrl-C to kill the program we're running
- c := make(chan os.Signal, 1)
- signal.Notify(c, os.Interrupt)
- go func() {
- for range c {
- cmd.Process.Kill()
- }
- }()
-
- cmd.Start()
- err := cmd.Wait()
-
- if err != nil {
- output = err.Error()
- }
-
- if waitToFinish {
- // This is just so we don't return right away and let the user press enter to return
- TermMessage("")
- }
-
- // Start the screen back up
- InitScreen()
-
- return output
+ messenger.Error(err)
}
- return ""
}
// HandleCommand handles input from the user