import (
"bytes"
+ "fmt"
"io"
- "io/ioutil"
"os"
"os/exec"
"os/signal"
+ "path/filepath"
"regexp"
"strings"
var commands map[string]Command
-var commandActions = map[string]func([]string){
- "Set": Set,
- "SetLocal": SetLocal,
- "Show": Show,
- "Run": Run,
- "Bind": Bind,
- "Quit": Quit,
- "Save": Save,
- "Replace": Replace,
- "VSplit": VSplit,
- "HSplit": HSplit,
- "Tab": NewTab,
- "Help": Help,
+var commandActions map[string]func([]string)
+
+func init() {
+ commandActions = map[string]func([]string){
+ "Set": Set,
+ "SetLocal": SetLocal,
+ "Show": Show,
+ "Run": Run,
+ "Bind": Bind,
+ "Quit": Quit,
+ "Save": Save,
+ "Replace": Replace,
+ "VSplit": VSplit,
+ "HSplit": HSplit,
+ "Tab": NewTab,
+ "Help": Help,
+ "Eval": Eval,
+ "ToggleLog": ToggleLog,
+ "Plugin": PluginCmd,
+ "Reload": Reload,
+ "Cd": Cd,
+ "Pwd": Pwd,
+ "Open": Open,
+ }
}
// InitCommands initializes the default commands
"hsplit": {"HSplit", []Completion{FileCompletion, NoCompletion}},
"tab": {"Tab", []Completion{FileCompletion, NoCompletion}},
"help": {"Help", []Completion{HelpCompletion, NoCompletion}},
+ "eval": {"Eval", []Completion{NoCompletion}},
+ "log": {"ToggleLog", []Completion{NoCompletion}},
+ "plugin": {"Plugin", []Completion{PluginCmdCompletion, PluginNameCompletion}},
+ "reload": {"Reload", []Completion{NoCompletion}},
+ "cd": {"Cd", []Completion{FileCompletion}},
+ "pwd": {"Pwd", []Completion{NoCompletion}},
+ "open": {"Open", []Completion{FileCompletion}},
+ }
+}
+
+// PluginCmd installs, removes, updates, lists, or searches for given plugins
+func PluginCmd(args []string) {
+ if len(args) >= 1 {
+ switch args[0] {
+ case "install":
+ installedVersions := GetInstalledVersions(false)
+ for _, plugin := range args[1:] {
+ pp := GetAllPluginPackages().Get(plugin)
+ if pp == nil {
+ messenger.Error("Unknown plugin \"" + plugin + "\"")
+ } else if err := pp.IsInstallable(); err != nil {
+ messenger.Error("Error installing ", plugin, ": ", err)
+ } else {
+ for _, installed := range installedVersions {
+ if pp.Name == installed.pack.Name {
+ if pp.Versions[0].Version.Compare(installed.Version) == 1 {
+ messenger.Error(pp.Name, " is already installed but out-of-date: use 'plugin update ", pp.Name, "' to update")
+ } else {
+ messenger.Error(pp.Name, " is already installed")
+ }
+ }
+ }
+ pp.Install()
+ }
+ }
+ case "remove":
+ removed := ""
+ for _, plugin := range args[1:] {
+ // check if the plugin exists.
+ for _, lp := range loadedPlugins {
+ if lp == plugin {
+ UninstallPlugin(plugin)
+ removed += plugin + " "
+ continue
+ }
+ }
+ }
+ if !IsSpaces(removed) {
+ messenger.Message("Removed ", removed)
+ } else {
+ messenger.Error("The requested plugins do not exist")
+ }
+ case "update":
+ UpdatePlugins(args[1:])
+ case "list":
+ plugins := GetInstalledVersions(false)
+ messenger.AddLog("----------------")
+ messenger.AddLog("The following plugins are currently installed:\n")
+ for _, p := range plugins {
+ messenger.AddLog(fmt.Sprintf("%s (%s)", p.pack.Name, p.Version))
+ }
+ messenger.AddLog("----------------")
+ if len(plugins) > 0 {
+ if CurView().Type != vtLog {
+ ToggleLog([]string{})
+ }
+ }
+ case "search":
+ plugins := SearchPlugin(args[1:])
+ messenger.Message(len(plugins), " plugins found")
+ for _, p := range plugins {
+ messenger.AddLog("----------------")
+ messenger.AddLog(p.String())
+ }
+ messenger.AddLog("----------------")
+ if len(plugins) > 0 {
+ if CurView().Type != vtLog {
+ ToggleLog([]string{})
+ }
+ }
+ case "available":
+ packages := GetAllPluginPackages()
+ messenger.AddLog("Available Plugins:")
+ for _, pkg := range packages {
+ messenger.AddLog(pkg.Name)
+ }
+ if CurView().Type != vtLog {
+ ToggleLog([]string{})
+ }
+ }
+ } else {
+ messenger.Error("Not enough arguments")
}
}
+func Cd(args []string) {
+ if len(args) > 0 {
+ home, _ := homedir.Dir()
+ path := strings.Replace(args[0], "~", home, 1)
+ os.Chdir(path)
+ for _, tab := range tabs {
+ for _, view := range tab.views {
+ wd, _ := os.Getwd()
+ view.Buf.Path, _ = MakeRelative(view.Buf.AbsPath, wd)
+ if p, _ := filepath.Abs(view.Buf.Path); !strings.Contains(p, wd) {
+ view.Buf.Path = view.Buf.AbsPath
+ }
+ }
+ }
+ }
+}
+
+func Pwd(args []string) {
+ wd, err := os.Getwd()
+ if err != nil {
+ messenger.Message(err.Error())
+ } else {
+ messenger.Message(wd)
+ }
+}
+
+func Open(args []string) {
+ if len(args) > 0 {
+ filename := args[0]
+ // the filename might or might not be quoted, so unquote first then join the strings.
+ filename = strings.Join(SplitCommandArgs(filename), " ")
+
+ CurView().Open(filename)
+ } else {
+ messenger.Error("No filename")
+ }
+}
+
+func ToggleLog(args []string) {
+ buffer := messenger.getBuffer()
+ if CurView().Type != vtLog {
+ CurView().HSplit(buffer)
+ CurView().Type = vtLog
+ RedrawAll()
+ buffer.Cursor.Loc = buffer.Start()
+ CurView().Relocate()
+ buffer.Cursor.Loc = buffer.End()
+ CurView().Relocate()
+ } else {
+ CurView().Quit(true)
+ }
+}
+
+func Reload(args []string) {
+ LoadAll()
+}
+
// Help tries to open the given help page in a horizontal split
func Help(args []string) {
if len(args) < 1 {
CurView().openHelp("help")
} else {
helpPage := args[0]
- if _, ok := helpPages[helpPage]; ok {
+ if FindRuntimeFile(RTHelp, helpPage) != nil {
CurView().openHelp(helpPage)
} else {
messenger.Error("Sorry, no help for ", helpPage)
// If no file is given, it opens an empty buffer in a new split
func VSplit(args []string) {
if len(args) == 0 {
- CurView().VSplit(NewBuffer([]byte{}, ""))
+ CurView().VSplit(NewBuffer(strings.NewReader(""), ""))
} else {
filename := args[0]
home, _ := homedir.Dir()
filename = strings.Replace(filename, "~", home, 1)
- file, err := ioutil.ReadFile(filename)
+ file, err := os.Open(filename)
+ defer file.Close()
var buf *Buffer
if err != nil {
// File does not exist -- create an empty buffer with that name
- buf = NewBuffer([]byte{}, filename)
+ buf = NewBuffer(strings.NewReader(""), filename)
} else {
buf = NewBuffer(file, filename)
}
// If no file is given, it opens an empty buffer in a new split
func HSplit(args []string) {
if len(args) == 0 {
- CurView().HSplit(NewBuffer([]byte{}, ""))
+ CurView().HSplit(NewBuffer(strings.NewReader(""), ""))
} else {
filename := args[0]
home, _ := homedir.Dir()
filename = strings.Replace(filename, "~", home, 1)
- file, err := ioutil.ReadFile(filename)
+ file, err := os.Open(filename)
+ defer file.Close()
var buf *Buffer
if err != nil {
// File does not exist -- create an empty buffer with that name
- buf = NewBuffer([]byte{}, filename)
+ buf = NewBuffer(strings.NewReader(""), filename)
} else {
buf = NewBuffer(file, filename)
}
}
}
+// Eval evaluates a lua expression
+func Eval(args []string) {
+ if len(args) >= 1 {
+ err := L.DoString(args[0])
+ if err != nil {
+ messenger.Error(err)
+ }
+ } else {
+ messenger.Error("Not enough arguments")
+ }
+}
+
// NewTab opens the given file in a new tab
func NewTab(args []string) {
if len(args) == 0 {
filename := args[0]
home, _ := homedir.Dir()
filename = strings.Replace(filename, "~", home, 1)
- file, _ := ioutil.ReadFile(filename)
+ file, _ := os.Open(filename)
+ defer file.Close()
tab := NewTabFromView(NewView(NewBuffer(file, filename)))
tab.SetNum(len(tabs))
tabs = append(tabs, tab)
- curTab++
+ curTab = len(tabs) - 1
if len(tabs) == 2 {
for _, t := range tabs {
for _, v := range t.views {
// Save saves the buffer in the main view
func Save(args []string) {
- // Save the main view
- CurView().Save(true)
+ if len(args) == 0 {
+ // Save the main view
+ CurView().Save(true)
+ } else {
+ CurView().Buf.SaveAs(args[0])
+ }
}
// Replace runs search and replace
search := string(args[0])
replace := string(args[1])
- regex, err := regexp.Compile(search)
+ regex, err := regexp.Compile("(?m)" + search)
if err != nil {
// There was an error with the user's regex
messenger.Error(err.Error())
}
}
} else {
- for {
- match := regex.FindStringIndex(view.Buf.String())
- if match == nil {
- break
+ bufStr := view.Buf.String()
+ matches := regex.FindAllStringIndex(bufStr, -1)
+ if matches != nil && len(matches) > 0 {
+ prevMatchCount := runePos(matches[0][0], bufStr)
+ searchCount := runePos(matches[0][1], bufStr) - prevMatchCount
+ from := FromCharPos(matches[0][0], view.Buf)
+ to := from.Move(searchCount, view.Buf)
+ adjust := Count(replace) - searchCount
+ view.Buf.Replace(from, to, replace)
+ if len(matches) > 1 {
+ for _, match := range matches[1:] {
+ found++
+ matchCount := runePos(match[0], bufStr)
+ searchCount = runePos(match[1], bufStr) - matchCount
+ from = from.Move(matchCount-prevMatchCount+adjust, view.Buf)
+ to = from.Move(searchCount, view.Buf)
+ view.Buf.Replace(from, to, replace)
+ prevMatchCount = matchCount
+ adjust = Count(replace) - searchCount
+ }
}
- found++
- view.Buf.Replace(FromCharPos(match[0], view.Buf), FromCharPos(match[1], view.Buf), replace)
}
}
view.Cursor.Relocate()