"os/signal"
"path/filepath"
"regexp"
+ "runtime"
+ "strconv"
"strings"
+ humanize "github.com/dustin/go-humanize"
"github.com/mitchellh/go-homedir"
)
+// A Command contains a action (a function to call) as well as information about how to autocomplete the command
type Command struct {
action func([]string)
completions []Completion
}
+// A StrCommand is similar to a command but keeps the name of the action
type StrCommand struct {
action string
completions []Completion
"Cd": Cd,
"Pwd": Pwd,
"Open": Open,
+ "TabSwitch": TabSwitch,
+ "MemUsage": MemUsage,
}
}
// DefaultCommands returns a map containing micro's default commands
func DefaultCommands() map[string]StrCommand {
return map[string]StrCommand{
- "set": {"Set", []Completion{OptionCompletion, NoCompletion}},
- "setlocal": {"SetLocal", []Completion{OptionCompletion, NoCompletion}},
- "show": {"Show", []Completion{OptionCompletion, NoCompletion}},
- "bind": {"Bind", []Completion{NoCompletion}},
- "run": {"Run", []Completion{NoCompletion}},
- "quit": {"Quit", []Completion{NoCompletion}},
- "save": {"Save", []Completion{NoCompletion}},
- "replace": {"Replace", []Completion{NoCompletion}},
- "vsplit": {"VSplit", []Completion{FileCompletion, NoCompletion}},
- "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}},
+ "set": {"Set", []Completion{OptionCompletion, NoCompletion}},
+ "setlocal": {"SetLocal", []Completion{OptionCompletion, NoCompletion}},
+ "show": {"Show", []Completion{OptionCompletion, NoCompletion}},
+ "bind": {"Bind", []Completion{NoCompletion}},
+ "run": {"Run", []Completion{NoCompletion}},
+ "quit": {"Quit", []Completion{NoCompletion}},
+ "save": {"Save", []Completion{NoCompletion}},
+ "replace": {"Replace", []Completion{NoCompletion}},
+ "vsplit": {"VSplit", []Completion{FileCompletion, NoCompletion}},
+ "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}},
+ "tabswitch": {"TabSwitch", []Completion{NoCompletion}},
+ "memusage": {"MemUsage", []Completion{NoCompletion}},
}
}
}
}
+// TabSwitch switches to a given tab either by name or by number
+func TabSwitch(args []string) {
+ if len(args) > 0 {
+ num, err := strconv.Atoi(args[0])
+ if err != nil {
+ // Check for tab with this name
+
+ found := false
+ for _, t := range tabs {
+ v := t.views[t.CurView]
+ if v.Buf.GetName() == args[0] {
+ curTab = v.TabNum
+ found = true
+ }
+ }
+ if !found {
+ messenger.Error("Could not find tab: ", err)
+ }
+ } else {
+ num--
+ if num >= 0 && num < len(tabs) {
+ curTab = num
+ } else {
+ messenger.Error("Invalid tab index")
+ }
+ }
+ }
+}
+
+// Cd changes the current working directory
func Cd(args []string) {
if len(args) > 0 {
home, _ := homedir.Dir()
}
}
+// MemUsage prints micro's memory usage
+// Alloc shows how many bytes are currently in use
+// Sys shows how many bytes have been requested from the operating system
+// NumGC shows how many times the GC has been run
+// Note that Go commonly reserves more memory from the OS than is currently in-use/required
+// Additionally, even if Go returns memory to the OS, the OS does not always claim it because
+// there may be plenty of memory to spare
+func MemUsage(args []string) {
+ var mem runtime.MemStats
+ runtime.ReadMemStats(&mem)
+
+ messenger.Message(fmt.Sprintf("Alloc: %v, Sys: %v, NumGC: %v", humanize.Bytes(mem.Alloc), humanize.Bytes(mem.Sys), mem.NumGC))
+}
+
+// Pwd prints the current working directory
func Pwd(args []string) {
wd, err := os.Getwd()
if err != nil {
}
}
+// Open opens a new buffer with a given filename
func Open(args []string) {
if len(args) > 0 {
filename := args[0]
}
}
+// ToggleLog toggles the log view
func ToggleLog(args []string) {
buffer := messenger.getBuffer()
if CurView().Type != vtLog {
}
}
+// Reload reloads all files (syntax files, colorschemes...)
func Reload(args []string) {
LoadAll()
}
// 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(strings.NewReader(""), ""))
+ CurView().VSplit(NewBufferFromString("", ""))
} else {
filename := args[0]
home, _ := homedir.Dir()
filename = strings.Replace(filename, "~", home, 1)
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
if err != nil {
// File does not exist -- create an empty buffer with that name
- buf = NewBuffer(strings.NewReader(""), filename)
+ buf = NewBufferFromString("", filename)
} else {
- buf = NewBuffer(file, filename)
+ buf = NewBuffer(file, FSize(file), filename)
}
CurView().VSplit(buf)
}
// 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(strings.NewReader(""), ""))
+ CurView().HSplit(NewBufferFromString("", ""))
} else {
filename := args[0]
home, _ := homedir.Dir()
filename = strings.Replace(filename, "~", home, 1)
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
if err != nil {
// File does not exist -- create an empty buffer with that name
- buf = NewBuffer(strings.NewReader(""), filename)
+ buf = NewBufferFromString("", filename)
} else {
- buf = NewBuffer(file, filename)
+ buf = NewBuffer(file, FSize(file), filename)
}
CurView().HSplit(buf)
}
filename := args[0]
home, _ := homedir.Dir()
filename = strings.Replace(filename, "~", home, 1)
- file, _ := os.Open(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()
- tab := NewTabFromView(NewView(NewBuffer(file, filename)))
+ var buf *Buffer
+ if err != nil {
+ buf = NewBufferFromString("", filename)
+ } else {
+ buf = NewBuffer(file, FSize(file), filename)
+ }
+
+ tab := NewTabFromView(NewView(buf))
tab.SetNum(len(tabs))
tabs = append(tabs, tab)
curTab = len(tabs) - 1
return
}
- option := strings.TrimSpace(args[0])
- value := strings.TrimSpace(args[1])
+ option := args[0]
+ value := args[1]
SetOptionAndSettings(option, value)
}
return
}
- option := strings.TrimSpace(args[0])
- value := strings.TrimSpace(args[1])
+ option := args[0]
+ value := args[1]
err := SetLocalOption(option, value, CurView())
if err != nil {
break
}
view.Relocate()
- if view.Buf.Settings["syntax"].(bool) {
- view.matches = Match(view)
- }
RedrawAll()
choice, canceled := messenger.YesNoPrompt("Perform replacement? (y,n)")
if canceled {
}
}
} else {
- 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)
+ // var deltas []Delta
+ for i := 0; i < view.Buf.LinesNum(); i++ {
+ // view.Buf.lines[i].data = regex.ReplaceAll(view.Buf.lines[i].data, []byte(replace))
+ for {
+ m := regex.FindIndex(view.Buf.lines[i].data)
+
+ if m != nil {
+ from := Loc{m[0], i}
+ to := Loc{m[1], i}
+
+ // deltas = append(deltas, Delta{replace, from, to})
view.Buf.Replace(from, to, replace)
- prevMatchCount = matchCount
- adjust = Count(replace) - searchCount
+ found++
+ } else {
+ break
}
}
}
+ // view.Buf.MultipleReplace(deltas)
}
view.Cursor.Relocate()