import (
"bytes"
+ "io/ioutil"
"os"
"os/exec"
"os/signal"
"regexp"
"strings"
+
+ "github.com/mitchellh/go-homedir"
)
-var commands map[string]func([]string)
+type Command struct {
+ action func([]string)
+ completions []Completion
+}
+
+type StrCommand struct {
+ action string
+ completions []Completion
+}
+
+var commands map[string]Command
var commandActions = map[string]func([]string){
"Set": Set,
"Quit": Quit,
"Save": Save,
"Replace": Replace,
+ "VSplit": VSplit,
+ "HSplit": HSplit,
+ "Tab": NewTab,
+ "Help": Help,
}
// InitCommands initializes the default commands
func InitCommands() {
- commands = make(map[string]func([]string))
+ commands = make(map[string]Command)
defaults := DefaultCommands()
parseCommands(defaults)
}
-func parseCommands(userCommands map[string]string) {
+func parseCommands(userCommands map[string]StrCommand) {
for k, v := range userCommands {
- MakeCommand(k, v)
+ MakeCommand(k, v.action, v.completions...)
}
}
// MakeCommand is a function to easily create new commands
// This can be called by plugins in Lua so that plugins can define their own commands
-func MakeCommand(name, function string) {
+func MakeCommand(name, function string, completions ...Completion) {
action := commandActions[function]
if _, ok := commandActions[function]; !ok {
// If the user seems to be binding a function that doesn't exist
action = LuaFunctionCommand(function)
}
- commands[name] = action
+ commands[name] = Command{action, completions}
}
// DefaultCommands returns a map containing micro's default commands
-func DefaultCommands() map[string]string {
- return map[string]string{
- "set": "Set",
- "bind": "Bind",
- "run": "Run",
- "quit": "Quit",
- "save": "Save",
- "replace": "Replace",
+func DefaultCommands() map[string]StrCommand {
+ return map[string]StrCommand{
+ "set": StrCommand{"Set", []Completion{OptionCompletion, NoCompletion}},
+ "bind": StrCommand{"Bind", []Completion{NoCompletion}},
+ "run": StrCommand{"Run", []Completion{NoCompletion}},
+ "quit": StrCommand{"Quit", []Completion{NoCompletion}},
+ "save": StrCommand{"Save", []Completion{NoCompletion}},
+ "replace": StrCommand{"Replace", []Completion{NoCompletion}},
+ "vsplit": StrCommand{"VSplit", []Completion{FileCompletion, NoCompletion}},
+ "hsplit": StrCommand{"HSplit", []Completion{FileCompletion, NoCompletion}},
+ "tab": StrCommand{"Tab", []Completion{FileCompletion, NoCompletion}},
+ "help": StrCommand{"Help", []Completion{HelpCompletion, NoCompletion}},
+ }
+}
+
+// Help tries to open the given help page in a horizontal split
+func Help(args []string) {
+ if len(args) < 1 {
+ // Open the default help if the user just typed "> help"
+ CurView().openHelp("help")
+ } else {
+ helpPage := args[0]
+ if _, ok := helpPages[helpPage]; ok {
+ CurView().openHelp(helpPage)
+ } else {
+ messenger.Error("Sorry, no help for ", helpPage)
+ }
+ }
+}
+
+// VSplit opens a vertical split with file given in the first argument
+// 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{}, ""))
+ } else {
+ filename := args[0]
+ home, _ := homedir.Dir()
+ 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)
+ }
+ CurView().VSplit(buf)
+ }
+}
+
+// HSplit opens a horizontal split with file given in the first argument
+// 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{}, ""))
+ } else {
+ filename := args[0]
+ home, _ := homedir.Dir()
+ 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)
+ }
+ CurView().HSplit(buf)
+ }
+}
+
+// NewTab opens the given file in a new tab
+func NewTab(args []string) {
+ if len(args) == 0 {
+ CurView().AddTab(true)
+ } else {
+ filename := args[0]
+ home, _ := homedir.Dir()
+ filename = strings.Replace(filename, "~", home, 1)
+ file, _ := ioutil.ReadFile(filename)
+
+ tab := NewTabFromView(NewView(NewBuffer(file, filename)))
+ tab.SetNum(len(tabs))
+ tabs = append(tabs, tab)
+ curTab++
+ if len(tabs) == 2 {
+ for _, t := range tabs {
+ for _, v := range t.views {
+ v.ToggleTabbar()
+ }
+ }
+ }
}
}
// Set sets an option
func Set(args []string) {
- // Set an option and we have to set it for every view
- for _, tab := range tabs {
- for _, view := range tab.views {
- SetOption(view, args)
- }
+ if len(args) < 2 {
+ return
}
+
+ option := strings.TrimSpace(args[0])
+ value := strings.TrimSpace(args[1])
+
+ SetOption(option, value)
}
// Bind creates a new keybinding
// Quit closes the main view
func Quit(args []string) {
// Close the main view
- CurView().Quit()
+ CurView().Quit(true)
}
// Save saves the buffer in the main view
func Save(args []string) {
// Save the main view
- CurView().Save()
+ CurView().Save(true)
}
// Replace runs search and replace
view := CurView()
- found := false
+ found := 0
for {
match := regex.FindStringIndex(view.Buf.String())
if match == nil {
break
}
- found = true
+ found++
if strings.Contains(flags, "c") {
// The 'check' flag was used
Search(search, view, true)
view.Buf.Replace(FromCharPos(match[0], view.Buf), FromCharPos(match[1], view.Buf), replace)
}
}
- if !found {
- messenger.Message("Nothing matched " + search)
+ view.Cursor.Relocate()
+
+ if found > 1 {
+ messenger.Message("Replaced ", found, " occurences of ", search)
+ } else if found == 1 {
+ messenger.Message("Replaced ", found, " occurence of ", search)
+ } else {
+ messenger.Message("Nothing matched ", search)
}
}
if _, ok := commands[inputCmd]; !ok {
messenger.Error("Unkown command ", inputCmd)
} else {
- commands[inputCmd](args)
+ commands[inputCmd].action(args)
}
}