$re = '/(?x)
# Set intent level
(?(DEFINE)(?<indent>[[:space:]]{4}))
# Must start at new line
^
# Captures following statement\'s description comment lines if written
(?<statementDescComment>
(?:
# Repeat below until next line not comment
(?=(?P>indent)\/)\V*\v
)+
)?
# Generic Statement Capture
(?<statement>
# Const declaration capture
(?<const>
(?P>indent)const[[:space:]]*\([[:space:]]*
\v
(?:
(?!(?P>indent)\))\V*\v
)*
(?P>indent)\)
)
|
# Full function declaration capture
(?<func>
# Function declaration initialization
(?<funcDecLine>
(?P>indent)func\V+
)\v
# Repeat subcapture until line starting with close bracket
(?:
(?!(?P>indent)\})\V*\v
)*
# Closing bracket
(?<funcCloseBracket>(?P>indent)\})
)
|
(?<type>
# Type Declaration
# Check before wasting time
(?=(?P>indent)type)
# Short Form
(?<typeDecShort>
(?P>indent)type\V+[^\{]\v
)
|
# Longer Form (Brackted)
(?<typeDecLong>
(?P>indent)type\V+
)\v
# Repeat subcapture until line starting with close bracket
(?:
(?!(?P>indent)\})\V*\v
)*
# Closing bracket
(?<typeCloseBracket>(?P>indent)\})
)
)/m';
$str = ' package main
import (
"fmt"
"os"
"regexp"
"strconv"
"strings"
"time"
"unicode/utf8"
"github.com/yuin/gopher-lua"
"github.com/zyedidia/clipboard"
"github.com/zyedidia/micro/cmd/micro/shellwords"
"github.com/zyedidia/tcell"
)
// PreActionCall executes the lua pre callback if possible
func PreActionCall(funcName string, view *View, args ...interface{}) bool {
executeAction := true
for pl := range loadedPlugins {
ret, err := Call(pl+".pre"+funcName, append([]interface{}{view}, args...)...)
if err != nil && !strings.HasPrefix(err.Error(), "function does not exist") {
TermMessage(err)
continue
}
if ret == lua.LFalse {
executeAction = false
}
}
return executeAction
}
// PostActionCall executes the lua plugin callback if possible
func PostActionCall(funcName string, view *View, args ...interface{}) bool {
relocate := true
for pl := range loadedPlugins {
ret, err := Call(pl+".on"+funcName, append([]interface{}{view}, args...)...)
if err != nil && !strings.HasPrefix(err.Error(), "function does not exist") {
TermMessage(err)
continue
}
if ret == lua.LFalse {
relocate = false
}
}
return relocate
}
func (v *View) deselect(index int) bool {
if v.Cursor.HasSelection() {
v.Cursor.Loc = v.Cursor.CurSelection[index]
v.Cursor.ResetSelection()
v.Cursor.StoreVisualX()
return true
}
return false
}
// MousePress is the event that should happen when a normal click happens
// This is almost always bound to left click
func (v *View) MousePress(usePlugin bool, e *tcell.EventMouse) bool {
if usePlugin && !PreActionCall("MousePress", v, e) {
return false
}
x, y := e.Position()
x -= v.lineNumOffset - v.leftCol + v.x
y += v.Topline - v.y
// This is usually bound to left click
v.MoveToMouseClick(x, y)
if v.mouseReleased {
if len(v.Buf.cursors) > 1 {
for i := 1; i < len(v.Buf.cursors); i++ {
v.Buf.cursors[i] = nil
}
v.Buf.cursors = v.Buf.cursors[:1]
v.Buf.UpdateCursors()
v.Cursor.ResetSelection()
v.Relocate()
}
if time.Since(v.lastClickTime)/time.Millisecond < doubleClickThreshold && (x == v.lastLoc.X && y == v.lastLoc.Y) {
if v.doubleClick {
// Triple click
v.lastClickTime = time.Now()
v.tripleClick = true
v.doubleClick = false
v.Cursor.SelectLine()
v.Cursor.CopySelection("primary")
} else {
// Double click
v.lastClickTime = time.Now()
v.doubleClick = true
v.tripleClick = false
v.Cursor.SelectWord()
v.Cursor.CopySelection("primary")
}
} else {
v.doubleClick = false
v.tripleClick = false
v.lastClickTime = time.Now()
v.Cursor.OrigSelection[0] = v.Cursor.Loc
v.Cursor.CurSelection[0] = v.Cursor.Loc
v.Cursor.CurSelection[1] = v.Cursor.Loc
}
v.mouseReleased = false
} else if !v.mouseReleased {
if v.tripleClick {
v.Cursor.AddLineToSelection()
} else if v.doubleClick {
v.Cursor.AddWordToSelection()
} else {
v.Cursor.SetSelectionEnd(v.Cursor.Loc)
v.Cursor.CopySelection("primary")
}
}
v.lastLoc = Loc{x, y}
if usePlugin {
PostActionCall("MousePress", v, e)
}
return false
}
// ScrollUpAction scrolls the view up
func (v *View) ScrollUpAction(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("ScrollUp", v) {
return false
}
scrollspeed := int(v.Buf.Settings["scrollspeed"].(float64))
v.ScrollUp(scrollspeed)
if usePlugin {
PostActionCall("ScrollUp", v)
}
}
return false
}
// ScrollDownAction scrolls the view up
func (v *View) ScrollDownAction(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("ScrollDown", v) {
return false
}
scrollspeed := int(v.Buf.Settings["scrollspeed"].(float64))
v.ScrollDown(scrollspeed)
if usePlugin {
PostActionCall("ScrollDown", v)
}
}
return false
}
// Center centers the view on the cursor
func (v *View) Center(usePlugin bool) bool {
if usePlugin && !PreActionCall("Center", v) {
return false
}
v.Topline = v.Cursor.Y - v.Height/2
if v.Topline+v.Height > v.Buf.NumLines {
v.Topline = v.Buf.NumLines - v.Height
}
if v.Topline < 0 {
v.Topline = 0
}
if usePlugin {
return PostActionCall("Center", v)
}
return true
}
// CursorUp moves the cursor up
func (v *View) CursorUp(usePlugin bool) bool {
if usePlugin && !PreActionCall("CursorUp", v) {
return false
}
v.deselect(0)
v.Cursor.Up()
if usePlugin {
return PostActionCall("CursorUp", v)
}
return true
}
// CursorDown moves the cursor down
func (v *View) CursorDown(usePlugin bool) bool {
if usePlugin && !PreActionCall("CursorDown", v) {
return false
}
v.deselect(1)
v.Cursor.Down()
if usePlugin {
return PostActionCall("CursorDown", v)
}
return true
}
// CursorLeft moves the cursor left
func (v *View) CursorLeft(usePlugin bool) bool {
if usePlugin && !PreActionCall("CursorLeft", v) {
return false
}
if v.Cursor.HasSelection() {
v.Cursor.Loc = v.Cursor.CurSelection[0]
v.Cursor.ResetSelection()
v.Cursor.StoreVisualX()
} else {
tabstospaces := v.Buf.Settings["tabstospaces"].(bool)
tabmovement := v.Buf.Settings["tabmovement"].(bool)
if tabstospaces && tabmovement {
tabsize := int(v.Buf.Settings["tabsize"].(float64))
line := v.Buf.Line(v.Cursor.Y)
if v.Cursor.X-tabsize >= 0 && line[v.Cursor.X-tabsize:v.Cursor.X] == Spaces(tabsize) && IsStrWhitespace(line[0:v.Cursor.X-tabsize]) {
for i := 0; i < tabsize; i++ {
v.Cursor.Left()
}
} else {
v.Cursor.Left()
}
} else {
v.Cursor.Left()
}
}
if usePlugin {
return PostActionCall("CursorLeft", v)
}
return true
}
// CursorRight moves the cursor right
func (v *View) CursorRight(usePlugin bool) bool {
if usePlugin && !PreActionCall("CursorRight", v) {
return false
}
if v.Cursor.HasSelection() {
v.Cursor.Loc = v.Cursor.CurSelection[1]
v.Cursor.ResetSelection()
v.Cursor.StoreVisualX()
} else {
tabstospaces := v.Buf.Settings["tabstospaces"].(bool)
tabmovement := v.Buf.Settings["tabmovement"].(bool)
if tabstospaces && tabmovement {
tabsize := int(v.Buf.Settings["tabsize"].(float64))
line := v.Buf.Line(v.Cursor.Y)
if v.Cursor.X+tabsize < Count(line) && line[v.Cursor.X:v.Cursor.X+tabsize] == Spaces(tabsize) && IsStrWhitespace(line[0:v.Cursor.X]) {
for i := 0; i < tabsize; i++ {
v.Cursor.Right()
}
} else {
v.Cursor.Right()
}
} else {
v.Cursor.Right()
}
}
if usePlugin {
return PostActionCall("CursorRight", v)
}
return true
}
// WordRight moves the cursor one word to the right
func (v *View) WordRight(usePlugin bool) bool {
if usePlugin && !PreActionCall("WordRight", v) {
return false
}
v.Cursor.WordRight()
if usePlugin {
return PostActionCall("WordRight", v)
}
return true
}
// WordLeft moves the cursor one word to the left
func (v *View) WordLeft(usePlugin bool) bool {
if usePlugin && !PreActionCall("WordLeft", v) {
return false
}
v.Cursor.WordLeft()
if usePlugin {
return PostActionCall("WordLeft", v)
}
return true
}
// SelectUp selects up one line
func (v *View) SelectUp(usePlugin bool) bool {
if usePlugin && !PreActionCall("SelectUp", v) {
return false
}
if !v.Cursor.HasSelection() {
v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.Cursor.Up()
v.Cursor.SelectTo(v.Cursor.Loc)
if usePlugin {
return PostActionCall("SelectUp", v)
}
return true
}
// SelectDown selects down one line
func (v *View) SelectDown(usePlugin bool) bool {
if usePlugin && !PreActionCall("SelectDown", v) {
return false
}
if !v.Cursor.HasSelection() {
v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.Cursor.Down()
v.Cursor.SelectTo(v.Cursor.Loc)
if usePlugin {
return PostActionCall("SelectDown", v)
}
return true
}
// SelectLeft selects the character to the left of the cursor
func (v *View) SelectLeft(usePlugin bool) bool {
if usePlugin && !PreActionCall("SelectLeft", v) {
return false
}
loc := v.Cursor.Loc
count := v.Buf.End()
if loc.GreaterThan(count) {
loc = count
}
if !v.Cursor.HasSelection() {
v.Cursor.OrigSelection[0] = loc
}
v.Cursor.Left()
v.Cursor.SelectTo(v.Cursor.Loc)
if usePlugin {
return PostActionCall("SelectLeft", v)
}
return true
}
// SelectRight selects the character to the right of the cursor
func (v *View) SelectRight(usePlugin bool) bool {
if usePlugin && !PreActionCall("SelectRight", v) {
return false
}
loc := v.Cursor.Loc
count := v.Buf.End()
if loc.GreaterThan(count) {
loc = count
}
if !v.Cursor.HasSelection() {
v.Cursor.OrigSelection[0] = loc
}
v.Cursor.Right()
v.Cursor.SelectTo(v.Cursor.Loc)
if usePlugin {
return PostActionCall("SelectRight", v)
}
return true
}
// SelectWordRight selects the word to the right of the cursor
func (v *View) SelectWordRight(usePlugin bool) bool {
if usePlugin && !PreActionCall("SelectWordRight", v) {
return false
}
if !v.Cursor.HasSelection() {
v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.Cursor.WordRight()
v.Cursor.SelectTo(v.Cursor.Loc)
if usePlugin {
return PostActionCall("SelectWordRight", v)
}
return true
}
// SelectWordLeft selects the word to the left of the cursor
func (v *View) SelectWordLeft(usePlugin bool) bool {
if usePlugin && !PreActionCall("SelectWordLeft", v) {
return false
}
if !v.Cursor.HasSelection() {
v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.Cursor.WordLeft()
v.Cursor.SelectTo(v.Cursor.Loc)
if usePlugin {
return PostActionCall("SelectWordLeft", v)
}
return true
}
// StartOfLine moves the cursor to the start of the line
func (v *View) StartOfLine(usePlugin bool) bool {
if usePlugin && !PreActionCall("StartOfLine", v) {
return false
}
v.deselect(0)
if v.Cursor.X != 0 {
v.Cursor.Start()
} else {
v.Cursor.StartOfText()
}
if usePlugin {
return PostActionCall("StartOfLine", v)
}
return true
}
// EndOfLine moves the cursor to the end of the line
func (v *View) EndOfLine(usePlugin bool) bool {
if usePlugin && !PreActionCall("EndOfLine", v) {
return false
}
v.deselect(0)
v.Cursor.End()
if usePlugin {
return PostActionCall("EndOfLine", v)
}
return true
}
// SelectLine selects the entire current line
func (v *View) SelectLine(usePlugin bool) bool {
if usePlugin && !PreActionCall("SelectLine", v) {
return false
}
v.Cursor.SelectLine()
if usePlugin {
return PostActionCall("SelectLine", v)
}
return true
}
// SelectToStartOfLine selects to the start of the current line
func (v *View) SelectToStartOfLine(usePlugin bool) bool {
if usePlugin && !PreActionCall("SelectToStartOfLine", v) {
return false
}
if !v.Cursor.HasSelection() {
v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.Cursor.Start()
v.Cursor.SelectTo(v.Cursor.Loc)
if usePlugin {
return PostActionCall("SelectToStartOfLine", v)
}
return true
}
// SelectToEndOfLine selects to the end of the current line
func (v *View) SelectToEndOfLine(usePlugin bool) bool {
if usePlugin && !PreActionCall("SelectToEndOfLine", v) {
return false
}
if !v.Cursor.HasSelection() {
v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.Cursor.End()
v.Cursor.SelectTo(v.Cursor.Loc)
if usePlugin {
return PostActionCall("SelectToEndOfLine", v)
}
return true
}
// ParagraphPrevious moves the cursor to the previous empty line, or beginning of the buffer if there\'s none
func (v *View) ParagraphPrevious(usePlugin bool) bool {
if usePlugin && !PreActionCall("ParagraphPrevious", v) {
return false
}
var line int
for line = v.Cursor.Y; line > 0; line-- {
if len(v.Buf.lines[line].data) == 0 && line != v.Cursor.Y {
v.Cursor.X = 0
v.Cursor.Y = line
break
}
}
// If no empty line found. move cursor to end of buffer
if line == 0 {
v.Cursor.Loc = v.Buf.Start()
}
if usePlugin {
return PostActionCall("ParagraphPrevious", v)
}
return true
}
// ParagraphNext moves the cursor to the next empty line, or end of the buffer if there\'s none
func (v *View) ParagraphNext(usePlugin bool) bool {
if usePlugin && !PreActionCall("ParagraphNext", v) {
return false
}
var line int
for line = v.Cursor.Y; line < len(v.Buf.lines); line++ {
if len(v.Buf.lines[line].data) == 0 && line != v.Cursor.Y {
v.Cursor.X = 0
v.Cursor.Y = line
break
}
}
// If no empty line found. move cursor to end of buffer
if line == len(v.Buf.lines) {
v.Cursor.Loc = v.Buf.End()
}
if usePlugin {
return PostActionCall("ParagraphNext", v)
}
return true
}
// Retab changes all tabs to spaces or all spaces to tabs depending
// on the user\'s settings
func (v *View) Retab(usePlugin bool) bool {
if usePlugin && !PreActionCall("Retab", v) {
return false
}
toSpaces := v.Buf.Settings["tabstospaces"].(bool)
tabsize := int(v.Buf.Settings["tabsize"].(float64))
dirty := false
for i := 0; i < v.Buf.NumLines; i++ {
l := v.Buf.Line(i)
ws := GetLeadingWhitespace(l)
if ws != "" {
if toSpaces {
ws = strings.Replace(ws, "\\t", Spaces(tabsize), -1)
} else {
ws = strings.Replace(ws, Spaces(tabsize), "\\t", -1)
}
}
l = strings.TrimLeft(l, " \\t")
v.Buf.lines[i].data = []byte(ws + l)
dirty = true
}
v.Buf.IsModified = dirty
if usePlugin {
return PostActionCall("Retab", v)
}
return true
}
// CursorStart moves the cursor to the start of the buffer
func (v *View) CursorStart(usePlugin bool) bool {
if usePlugin && !PreActionCall("CursorStart", v) {
return false
}
v.deselect(0)
v.Cursor.X = 0
v.Cursor.Y = 0
if usePlugin {
return PostActionCall("CursorStart", v)
}
return true
}
// CursorEnd moves the cursor to the end of the buffer
func (v *View) CursorEnd(usePlugin bool) bool {
if usePlugin && !PreActionCall("CursorEnd", v) {
return false
}
v.deselect(0)
v.Cursor.Loc = v.Buf.End()
v.Cursor.StoreVisualX()
if usePlugin {
return PostActionCall("CursorEnd", v)
}
return true
}
// SelectToStart selects the text from the cursor to the start of the buffer
func (v *View) SelectToStart(usePlugin bool) bool {
if usePlugin && !PreActionCall("SelectToStart", v) {
return false
}
if !v.Cursor.HasSelection() {
v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.CursorStart(false)
v.Cursor.SelectTo(v.Buf.Start())
if usePlugin {
return PostActionCall("SelectToStart", v)
}
return true
}
// SelectToEnd selects the text from the cursor to the end of the buffer
func (v *View) SelectToEnd(usePlugin bool) bool {
if usePlugin && !PreActionCall("SelectToEnd", v) {
return false
}
if !v.Cursor.HasSelection() {
v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.CursorEnd(false)
v.Cursor.SelectTo(v.Buf.End())
if usePlugin {
return PostActionCall("SelectToEnd", v)
}
return true
}
// InsertSpace inserts a space
func (v *View) InsertSpace(usePlugin bool) bool {
if usePlugin && !PreActionCall("InsertSpace", v) {
return false
}
if v.Cursor.HasSelection() {
v.Cursor.DeleteSelection()
v.Cursor.ResetSelection()
}
v.Buf.Insert(v.Cursor.Loc, " ")
// v.Cursor.Right()
if usePlugin {
return PostActionCall("InsertSpace", v)
}
return true
}
// InsertNewline inserts a newline plus possible some whitespace if autoindent is on
func (v *View) InsertNewline(usePlugin bool) bool {
if usePlugin && !PreActionCall("InsertNewline", v) {
return false
}
// Insert a newline
if v.Cursor.HasSelection() {
v.Cursor.DeleteSelection()
v.Cursor.ResetSelection()
}
ws := GetLeadingWhitespace(v.Buf.Line(v.Cursor.Y))
cx := v.Cursor.X
v.Buf.Insert(v.Cursor.Loc, "\\n")
// v.Cursor.Right()
if v.Buf.Settings["autoindent"].(bool) {
if cx < len(ws) {
ws = ws[0:cx]
}
v.Buf.Insert(v.Cursor.Loc, ws)
// for i := 0; i < len(ws); i++ {
// v.Cursor.Right()
// }
// Remove the whitespaces if keepautoindent setting is off
if IsSpacesOrTabs(v.Buf.Line(v.Cursor.Y-1)) && !v.Buf.Settings["keepautoindent"].(bool) {
line := v.Buf.Line(v.Cursor.Y - 1)
v.Buf.Remove(Loc{0, v.Cursor.Y - 1}, Loc{Count(line), v.Cursor.Y - 1})
}
}
v.Cursor.LastVisualX = v.Cursor.GetVisualX()
if usePlugin {
return PostActionCall("InsertNewline", v)
}
return true
}
// Backspace deletes the previous character
func (v *View) Backspace(usePlugin bool) bool {
if usePlugin && !PreActionCall("Backspace", v) {
return false
}
// Delete a character
if v.Cursor.HasSelection() {
v.Cursor.DeleteSelection()
v.Cursor.ResetSelection()
} else if v.Cursor.Loc.GreaterThan(v.Buf.Start()) {
// We have to do something a bit hacky here because we want to
// delete the line by first moving left and then deleting backwards
// but the undo redo would place the cursor in the wrong place
// So instead we move left, save the position, move back, delete
// and restore the position
// If the user is using spaces instead of tabs and they are deleting
// whitespace at the start of the line, we should delete as if it\'s a
// tab (tabSize number of spaces)
lineStart := sliceEnd(v.Buf.LineBytes(v.Cursor.Y), v.Cursor.X)
tabSize := int(v.Buf.Settings["tabsize"].(float64))
if v.Buf.Settings["tabstospaces"].(bool) && IsSpaces(lineStart) && utf8.RuneCount(lineStart) != 0 && utf8.RuneCount(lineStart)%tabSize == 0 {
loc := v.Cursor.Loc
v.Buf.Remove(loc.Move(-tabSize, v.Buf), loc)
} else {
loc := v.Cursor.Loc
v.Buf.Remove(loc.Move(-1, v.Buf), loc)
}
}
v.Cursor.LastVisualX = v.Cursor.GetVisualX()
if usePlugin {
return PostActionCall("Backspace", v)
}
return true
}
// DeleteWordRight deletes the word to the right of the cursor
func (v *View) DeleteWordRight(usePlugin bool) bool {
if usePlugin && !PreActionCall("DeleteWordRight", v) {
return false
}
v.SelectWordRight(false)
if v.Cursor.HasSelection() {
v.Cursor.DeleteSelection()
v.Cursor.ResetSelection()
}
if usePlugin {
return PostActionCall("DeleteWordRight", v)
}
return true
}
// DeleteWordLeft deletes the word to the left of the cursor
func (v *View) DeleteWordLeft(usePlugin bool) bool {
if usePlugin && !PreActionCall("DeleteWordLeft", v) {
return false
}
v.SelectWordLeft(false)
if v.Cursor.HasSelection() {
v.Cursor.DeleteSelection()
v.Cursor.ResetSelection()
}
if usePlugin {
return PostActionCall("DeleteWordLeft", v)
}
return true
}
// Delete deletes the next character
func (v *View) Delete(usePlugin bool) bool {
if usePlugin && !PreActionCall("Delete", v) {
return false
}
if v.Cursor.HasSelection() {
v.Cursor.DeleteSelection()
v.Cursor.ResetSelection()
} else {
loc := v.Cursor.Loc
if loc.LessThan(v.Buf.End()) {
v.Buf.Remove(loc, loc.Move(1, v.Buf))
}
}
if usePlugin {
return PostActionCall("Delete", v)
}
return true
}
// IndentSelection indents the current selection
func (v *View) IndentSelection(usePlugin bool) bool {
if usePlugin && !PreActionCall("IndentSelection", v) {
return false
}
if v.Cursor.HasSelection() {
start := v.Cursor.CurSelection[0]
end := v.Cursor.CurSelection[1]
if end.Y < start.Y {
start, end = end, start
v.Cursor.SetSelectionStart(start)
v.Cursor.SetSelectionEnd(end)
}
startY := start.Y
endY := end.Move(-1, v.Buf).Y
endX := end.Move(-1, v.Buf).X
tabsize := len(v.Buf.IndentString())
for y := startY; y <= endY; y++ {
v.Buf.Insert(Loc{0, y}, v.Buf.IndentString())
if y == startY && start.X > 0 {
v.Cursor.SetSelectionStart(start.Move(tabsize, v.Buf))
}
if y == endY {
v.Cursor.SetSelectionEnd(Loc{endX + tabsize + 1, endY})
}
}
v.Cursor.Relocate()
if usePlugin {
return PostActionCall("IndentSelection", v)
}
return true
}
return false
}
// OutdentLine moves the current line back one indentation
func (v *View) OutdentLine(usePlugin bool) bool {
if usePlugin && !PreActionCall("OutdentLine", v) {
return false
}
if v.Cursor.HasSelection() {
return false
}
for x := 0; x < len(v.Buf.IndentString()); x++ {
if len(GetLeadingWhitespace(v.Buf.Line(v.Cursor.Y))) == 0 {
break
}
v.Buf.Remove(Loc{0, v.Cursor.Y}, Loc{1, v.Cursor.Y})
}
v.Cursor.Relocate()
if usePlugin {
return PostActionCall("OutdentLine", v)
}
return true
}
// OutdentSelection takes the current selection and moves it back one indent level
func (v *View) OutdentSelection(usePlugin bool) bool {
if usePlugin && !PreActionCall("OutdentSelection", v) {
return false
}
if v.Cursor.HasSelection() {
start := v.Cursor.CurSelection[0]
end := v.Cursor.CurSelection[1]
if end.Y < start.Y {
start, end = end, start
v.Cursor.SetSelectionStart(start)
v.Cursor.SetSelectionEnd(end)
}
startY := start.Y
endY := end.Move(-1, v.Buf).Y
for y := startY; y <= endY; y++ {
for x := 0; x < len(v.Buf.IndentString()); x++ {
if len(GetLeadingWhitespace(v.Buf.Line(y))) == 0 {
break
}
v.Buf.Remove(Loc{0, y}, Loc{1, y})
}
}
v.Cursor.Relocate()
if usePlugin {
return PostActionCall("OutdentSelection", v)
}
return true
}
return false
}
// InsertTab inserts a tab or spaces
func (v *View) InsertTab(usePlugin bool) bool {
if usePlugin && !PreActionCall("InsertTab", v) {
return false
}
if v.Cursor.HasSelection() {
return false
}
tabBytes := len(v.Buf.IndentString())
bytesUntilIndent := tabBytes - (v.Cursor.GetVisualX() % tabBytes)
v.Buf.Insert(v.Cursor.Loc, v.Buf.IndentString()[:bytesUntilIndent])
// for i := 0; i < bytesUntilIndent; i++ {
// v.Cursor.Right()
// }
if usePlugin {
return PostActionCall("InsertTab", v)
}
return true
}
// SaveAll saves all open buffers
func (v *View) SaveAll(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("SaveAll", v) {
return false
}
for _, t := range tabs {
for _, v := range t.Views {
v.Save(false)
}
}
if usePlugin {
return PostActionCall("SaveAll", v)
}
}
return false
}
// Save the buffer to disk
func (v *View) Save(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("Save", v) {
return false
}
if v.Type.Scratch == true {
// We can\'t save any view type with scratch set. eg help and log text
return false
}
// If this is an empty buffer, ask for a filename
if v.Buf.Path == "" {
v.SaveAs(false)
} else {
v.saveToFile(v.Buf.Path)
}
if usePlugin {
return PostActionCall("Save", v)
}
}
return false
}
// This function saves the buffer to `filename` and changes the buffer\'s path and name
// to `filename` if the save is successful
func (v *View) saveToFile(filename string) {
err := v.Buf.SaveAs(filename)
if err != nil {
if strings.HasSuffix(err.Error(), "permission denied") {
choice, _ := messenger.YesNoPrompt("Permission denied. Do you want to save this file using sudo? (y,n)")
if choice {
err = v.Buf.SaveAsWithSudo(filename)
if err != nil {
messenger.Error(err.Error())
} else {
v.Buf.Path = filename
v.Buf.name = filename
messenger.Message("Saved " + filename)
}
}
messenger.Reset()
messenger.Clear()
} else {
messenger.Error(err.Error())
}
} else {
v.Buf.Path = filename
v.Buf.name = filename
messenger.Message("Saved " + filename)
}
}
// SaveAs saves the buffer to disk with the given name
func (v *View) SaveAs(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("SaveAs", v) {
return false
}
filename, canceled := messenger.Prompt("Filename: ", "", "Save", NoCompletion)
if !canceled {
// the filename might or might not be quoted, so unquote first then join the strings.
args, err := shellwords.Split(filename)
filename = strings.Join(args, " ")
if err != nil {
messenger.Error("Error parsing arguments: ", err)
return false
}
v.saveToFile(filename)
}
if usePlugin {
PostActionCall("SaveAs", v)
}
}
return false
}
// Find opens a prompt and searches forward for the input
func (v *View) Find(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("Find", v) {
return false
}
searchStr := ""
if v.Cursor.HasSelection() {
searchStart = v.Cursor.CurSelection[1]
searchStart = v.Cursor.CurSelection[1]
searchStr = v.Cursor.GetSelection()
} else {
searchStart = v.Cursor.Loc
}
BeginSearch(searchStr)
if usePlugin {
return PostActionCall("Find", v)
}
}
return true
}
// FindNext searches forwards for the last used search term
func (v *View) FindNext(usePlugin bool) bool {
if usePlugin && !PreActionCall("FindNext", v) {
return false
}
if v.Cursor.HasSelection() {
searchStart = v.Cursor.CurSelection[1]
// lastSearch = v.Cursor.GetSelection()
} else {
searchStart = v.Cursor.Loc
}
if lastSearch == "" {
return true
}
messenger.Message("Finding: " + lastSearch)
Search(lastSearch, v, true)
if usePlugin {
return PostActionCall("FindNext", v)
}
return true
}
// FindPrevious searches backwards for the last used search term
func (v *View) FindPrevious(usePlugin bool) bool {
if usePlugin && !PreActionCall("FindPrevious", v) {
return false
}
if v.Cursor.HasSelection() {
searchStart = v.Cursor.CurSelection[0]
} else {
searchStart = v.Cursor.Loc
}
messenger.Message("Finding: " + lastSearch)
Search(lastSearch, v, false)
if usePlugin {
return PostActionCall("FindPrevious", v)
}
return true
}
// Undo undoes the last action
func (v *View) Undo(usePlugin bool) bool {
if usePlugin && !PreActionCall("Undo", v) {
return false
}
if v.Buf.curCursor == 0 {
v.Buf.clearCursors()
}
v.Buf.Undo()
messenger.Message("Undid action")
if usePlugin {
return PostActionCall("Undo", v)
}
return true
}
// Redo redoes the last action
func (v *View) Redo(usePlugin bool) bool {
if usePlugin && !PreActionCall("Redo", v) {
return false
}
if v.Buf.curCursor == 0 {
v.Buf.clearCursors()
}
v.Buf.Redo()
messenger.Message("Redid action")
if usePlugin {
return PostActionCall("Redo", v)
}
return true
}
// Copy the selection to the system clipboard
func (v *View) Copy(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("Copy", v) {
return false
}
if v.Cursor.HasSelection() {
v.Cursor.CopySelection("clipboard")
v.freshClip = true
messenger.Message("Copied selection")
}
if usePlugin {
return PostActionCall("Copy", v)
}
}
return true
}
// CutLine cuts the current line to the clipboard
func (v *View) CutLine(usePlugin bool) bool {
if usePlugin && !PreActionCall("CutLine", v) {
return false
}
v.Cursor.SelectLine()
if !v.Cursor.HasSelection() {
return false
}
if v.freshClip == true {
if v.Cursor.HasSelection() {
if clip, err := clipboard.ReadAll("clipboard"); err != nil {
messenger.Error(err)
} else {
clipboard.WriteAll(clip+v.Cursor.GetSelection(), "clipboard")
}
}
} else if time.Since(v.lastCutTime)/time.Second > 10*time.Second || v.freshClip == false {
v.Copy(true)
}
v.freshClip = true
v.lastCutTime = time.Now()
v.Cursor.DeleteSelection()
v.Cursor.ResetSelection()
messenger.Message("Cut line")
if usePlugin {
return PostActionCall("CutLine", v)
}
return true
}
// Cut the selection to the system clipboard
func (v *View) Cut(usePlugin bool) bool {
if usePlugin && !PreActionCall("Cut", v) {
return false
}
if v.Cursor.HasSelection() {
v.Cursor.CopySelection("clipboard")
v.Cursor.DeleteSelection()
v.Cursor.ResetSelection()
v.freshClip = true
messenger.Message("Cut selection")
if usePlugin {
return PostActionCall("Cut", v)
}
return true
} else {
return v.CutLine(usePlugin)
}
}
// DuplicateLine duplicates the current line or selection
func (v *View) DuplicateLine(usePlugin bool) bool {
if usePlugin && !PreActionCall("DuplicateLine", v) {
return false
}
if v.Cursor.HasSelection() {
v.Buf.Insert(v.Cursor.CurSelection[1], v.Cursor.GetSelection())
} else {
v.Cursor.End()
v.Buf.Insert(v.Cursor.Loc, "\\n"+v.Buf.Line(v.Cursor.Y))
// v.Cursor.Right()
}
messenger.Message("Duplicated line")
if usePlugin {
return PostActionCall("DuplicateLine", v)
}
return true
}
// DeleteLine deletes the current line
func (v *View) DeleteLine(usePlugin bool) bool {
if usePlugin && !PreActionCall("DeleteLine", v) {
return false
}
v.Cursor.SelectLine()
if !v.Cursor.HasSelection() {
return false
}
v.Cursor.DeleteSelection()
v.Cursor.ResetSelection()
messenger.Message("Deleted line")
if usePlugin {
return PostActionCall("DeleteLine", v)
}
return true
}
// MoveLinesUp moves up the current line or selected lines if any
func (v *View) MoveLinesUp(usePlugin bool) bool {
if usePlugin && !PreActionCall("MoveLinesUp", v) {
return false
}
if v.Cursor.HasSelection() {
if v.Cursor.CurSelection[0].Y == 0 {
messenger.Message("Can not move further up")
return true
}
start := v.Cursor.CurSelection[0].Y
end := v.Cursor.CurSelection[1].Y
if start > end {
end, start = start, end
}
v.Buf.MoveLinesUp(
start,
end,
)
v.Cursor.CurSelection[1].Y -= 1
messenger.Message("Moved up selected line(s)")
} else {
if v.Cursor.Loc.Y == 0 {
messenger.Message("Can not move further up")
return true
}
v.Buf.MoveLinesUp(
v.Cursor.Loc.Y,
v.Cursor.Loc.Y+1,
)
messenger.Message("Moved up current line")
}
v.Buf.IsModified = true
if usePlugin {
return PostActionCall("MoveLinesUp", v)
}
return true
}
// MoveLinesDown moves down the current line or selected lines if any
func (v *View) MoveLinesDown(usePlugin bool) bool {
if usePlugin && !PreActionCall("MoveLinesDown", v) {
return false
}
if v.Cursor.HasSelection() {
if v.Cursor.CurSelection[1].Y >= len(v.Buf.lines) {
messenger.Message("Can not move further down")
return true
}
start := v.Cursor.CurSelection[0].Y
end := v.Cursor.CurSelection[1].Y
if start > end {
end, start = start, end
}
v.Buf.MoveLinesDown(
start,
end,
)
messenger.Message("Moved down selected line(s)")
} else {
if v.Cursor.Loc.Y >= len(v.Buf.lines)-1 {
messenger.Message("Can not move further down")
return true
}
v.Buf.MoveLinesDown(
v.Cursor.Loc.Y,
v.Cursor.Loc.Y+1,
)
messenger.Message("Moved down current line")
}
v.Buf.IsModified = true
if usePlugin {
return PostActionCall("MoveLinesDown", v)
}
return true
}
// Paste whatever is in the system clipboard into the buffer
// Delete and paste if the user has a selection
func (v *View) Paste(usePlugin bool) bool {
if usePlugin && !PreActionCall("Paste", v) {
return false
}
clip, _ := clipboard.ReadAll("clipboard")
v.paste(clip)
if usePlugin {
return PostActionCall("Paste", v)
}
return true
}
// PastePrimary pastes from the primary clipboard (only use on linux)
func (v *View) PastePrimary(usePlugin bool) bool {
if usePlugin && !PreActionCall("Paste", v) {
return false
}
clip, _ := clipboard.ReadAll("primary")
v.paste(clip)
if usePlugin {
return PostActionCall("Paste", v)
}
return true
}
// JumpToMatchingBrace moves the cursor to the matching brace if it is
// currently on a brace
func (v *View) JumpToMatchingBrace(usePlugin bool) bool {
if usePlugin && !PreActionCall("JumpToMatchingBrace", v) {
return false
}
for _, bp := range bracePairs {
r := v.Cursor.RuneUnder(v.Cursor.X)
if r == bp[0] || r == bp[1] {
matchingBrace := v.Buf.FindMatchingBrace(bp, v.Cursor.Loc)
v.Cursor.GotoLoc(matchingBrace)
}
}
if usePlugin {
return PostActionCall("JumpToMatchingBrace", v)
}
return true
}
// SelectAll selects the entire buffer
func (v *View) SelectAll(usePlugin bool) bool {
if usePlugin && !PreActionCall("SelectAll", v) {
return false
}
v.Cursor.SetSelectionStart(v.Buf.Start())
v.Cursor.SetSelectionEnd(v.Buf.End())
// Put the cursor at the beginning
v.Cursor.X = 0
v.Cursor.Y = 0
if usePlugin {
return PostActionCall("SelectAll", v)
}
return true
}
// OpenFile opens a new file in the buffer
func (v *View) OpenFile(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("OpenFile", v) {
return false
}
if v.CanClose() {
input, canceled := messenger.Prompt("> ", "open ", "Open", CommandCompletion)
if !canceled {
HandleCommand(input)
if usePlugin {
return PostActionCall("OpenFile", v)
}
}
}
}
return false
}
// Start moves the viewport to the start of the buffer
func (v *View) Start(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("Start", v) {
return false
}
v.Topline = 0
if usePlugin {
return PostActionCall("Start", v)
}
}
return false
}
// End moves the viewport to the end of the buffer
func (v *View) End(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("End", v) {
return false
}
if v.Height > v.Buf.NumLines {
v.Topline = 0
} else {
v.Topline = v.Buf.NumLines - v.Height
}
if usePlugin {
return PostActionCall("End", v)
}
}
return false
}
// PageUp scrolls the view up a page
func (v *View) PageUp(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("PageUp", v) {
return false
}
if v.Topline > v.Height {
v.ScrollUp(v.Height)
} else {
v.Topline = 0
}
if usePlugin {
return PostActionCall("PageUp", v)
}
}
return false
}
// PageDown scrolls the view down a page
func (v *View) PageDown(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("PageDown", v) {
return false
}
if v.Buf.NumLines-(v.Topline+v.Height) > v.Height {
v.ScrollDown(v.Height)
} else if v.Buf.NumLines >= v.Height {
v.Topline = v.Buf.NumLines - v.Height
}
if usePlugin {
return PostActionCall("PageDown", v)
}
}
return false
}
// SelectPageUp selects up one page
func (v *View) SelectPageUp(usePlugin bool) bool {
if usePlugin && !PreActionCall("SelectPageUp", v) {
return false
}
if !v.Cursor.HasSelection() {
v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.Cursor.UpN(v.Height)
v.Cursor.SelectTo(v.Cursor.Loc)
if usePlugin {
return PostActionCall("SelectPageUp", v)
}
return true
}
// SelectPageDown selects down one page
func (v *View) SelectPageDown(usePlugin bool) bool {
if usePlugin && !PreActionCall("SelectPageDown", v) {
return false
}
if !v.Cursor.HasSelection() {
v.Cursor.OrigSelection[0] = v.Cursor.Loc
}
v.Cursor.DownN(v.Height)
v.Cursor.SelectTo(v.Cursor.Loc)
if usePlugin {
return PostActionCall("SelectPageDown", v)
}
return true
}
// CursorPageUp places the cursor a page up
func (v *View) CursorPageUp(usePlugin bool) bool {
if usePlugin && !PreActionCall("CursorPageUp", v) {
return false
}
v.deselect(0)
if v.Cursor.HasSelection() {
v.Cursor.Loc = v.Cursor.CurSelection[0]
v.Cursor.ResetSelection()
v.Cursor.StoreVisualX()
}
v.Cursor.UpN(v.Height)
if usePlugin {
return PostActionCall("CursorPageUp", v)
}
return true
}
// CursorPageDown places the cursor a page up
func (v *View) CursorPageDown(usePlugin bool) bool {
if usePlugin && !PreActionCall("CursorPageDown", v) {
return false
}
v.deselect(0)
if v.Cursor.HasSelection() {
v.Cursor.Loc = v.Cursor.CurSelection[1]
v.Cursor.ResetSelection()
v.Cursor.StoreVisualX()
}
v.Cursor.DownN(v.Height)
if usePlugin {
return PostActionCall("CursorPageDown", v)
}
return true
}
// HalfPageUp scrolls the view up half a page
func (v *View) HalfPageUp(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("HalfPageUp", v) {
return false
}
if v.Topline > v.Height/2 {
v.ScrollUp(v.Height / 2)
} else {
v.Topline = 0
}
if usePlugin {
return PostActionCall("HalfPageUp", v)
}
}
return false
}
// HalfPageDown scrolls the view down half a page
func (v *View) HalfPageDown(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("HalfPageDown", v) {
return false
}
if v.Buf.NumLines-(v.Topline+v.Height) > v.Height/2 {
v.ScrollDown(v.Height / 2)
} else {
if v.Buf.NumLines >= v.Height {
v.Topline = v.Buf.NumLines - v.Height
}
}
if usePlugin {
return PostActionCall("HalfPageDown", v)
}
}
return false
}
// ToggleRuler turns line numbers off and on
func (v *View) ToggleRuler(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("ToggleRuler", v) {
return false
}
if v.Buf.Settings["ruler"] == false {
v.Buf.Settings["ruler"] = true
messenger.Message("Enabled ruler")
} else {
v.Buf.Settings["ruler"] = false
messenger.Message("Disabled ruler")
}
if usePlugin {
return PostActionCall("ToggleRuler", v)
}
}
return false
}
// JumpLine jumps to a line and moves the view accordingly.
func (v *View) JumpLine(usePlugin bool) bool {
if usePlugin && !PreActionCall("JumpLine", v) {
return false
}
// Prompt for line number
message := fmt.Sprintf("Jump to line:col (1 - %v) # ", v.Buf.NumLines)
input, canceled := messenger.Prompt(message, "", "LineNumber", NoCompletion)
if canceled {
return false
}
var lineInt int
var colInt int
var err error
if strings.Contains(input, ":") {
split := strings.Split(input, ":")
lineInt, err = strconv.Atoi(split[0])
if err != nil {
messenger.Message("Invalid line number")
return false
}
colInt, err = strconv.Atoi(split[1])
if err != nil {
messenger.Message("Invalid column number")
return false
}
} else {
lineInt, err = strconv.Atoi(input)
if err != nil {
messenger.Message("Invalid line number")
return false
}
}
lineInt--
// Move cursor and view if possible.
if lineInt < v.Buf.NumLines && lineInt >= 0 {
v.Cursor.X = colInt
v.Cursor.Y = lineInt
if usePlugin {
return PostActionCall("JumpLine", v)
}
return true
}
messenger.Error("Only ", v.Buf.NumLines, " lines to jump")
return false
}
// ClearStatus clears the messenger bar
func (v *View) ClearStatus(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("ClearStatus", v) {
return false
}
messenger.Message("")
if usePlugin {
return PostActionCall("ClearStatus", v)
}
}
return false
}
// ToggleHelp toggles the help screen
func (v *View) ToggleHelp(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("ToggleHelp", v) {
return false
}
if v.Type != vtHelp {
// Open the default help
v.openHelp("help")
} else {
v.Quit(true)
}
if usePlugin {
return PostActionCall("ToggleHelp", v)
}
}
return true
}
// ToggleKeyMenu toggles the keymenu option and resizes all tabs
func (v *View) ToggleKeyMenu(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("ToggleBindings", v) {
return false
}
globalSettings["keymenu"] = !globalSettings["keymenu"].(bool)
for _, tab := range tabs {
tab.Resize()
}
if usePlugin {
return PostActionCall("ToggleBindings", v)
}
}
return true
}
// ShellMode opens a terminal to run a shell command
func (v *View) ShellMode(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("ShellMode", v) {
return false
}
input, canceled := messenger.Prompt("$ ", "", "Shell", NoCompletion)
if !canceled {
// The true here is for openTerm to make the command interactive
HandleShellCommand(input, true, true)
if usePlugin {
return PostActionCall("ShellMode", v)
}
}
}
return false
}
// CommandMode lets the user enter a command
func (v *View) CommandMode(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("CommandMode", v) {
return false
}
input, canceled := messenger.Prompt("> ", "", "Command", CommandCompletion)
if !canceled {
HandleCommand(input)
if usePlugin {
return PostActionCall("CommandMode", v)
}
}
}
return false
}
// ToggleOverwriteMode lets the user toggle the text overwrite mode
func (v *View) ToggleOverwriteMode(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("ToggleOverwriteMode", v) {
return false
}
v.isOverwriteMode = !v.isOverwriteMode
if usePlugin {
return PostActionCall("ToggleOverwriteMode", v)
}
}
return false
}
// Escape leaves current mode
func (v *View) Escape(usePlugin bool) bool {
if v.mainCursor() {
// check if user is searching, or the last search is still active
if searching || lastSearch != "" {
ExitSearch(v)
return true
}
// check if a prompt is shown, hide it and don\'t quit
if messenger.hasPrompt {
messenger.Reset() // FIXME
return true
}
}
return false
}
// Quit this will close the current tab or view that is open
func (v *View) Quit(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("Quit", v) {
return false
}
// Make sure not to quit if there are unsaved changes
if v.CanClose() {
v.CloseBuffer()
if len(tabs[curTab].Views) > 1 {
v.splitNode.Delete()
tabs[v.TabNum].Cleanup()
tabs[v.TabNum].Resize()
} else if len(tabs) > 1 {
if len(tabs[v.TabNum].Views) == 1 {
tabs = tabs[:v.TabNum+copy(tabs[v.TabNum:], tabs[v.TabNum+1:])]
for i, t := range tabs {
t.SetNum(i)
}
if curTab >= len(tabs) {
curTab--
}
if curTab == 0 {
CurView().ToggleTabbar()
}
}
} else {
if usePlugin {
PostActionCall("Quit", v)
}
screen.Fini()
messenger.SaveHistory()
os.Exit(0)
}
}
if usePlugin {
return PostActionCall("Quit", v)
}
}
return false
}
// QuitAll quits the whole editor; all splits and tabs
func (v *View) QuitAll(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("QuitAll", v) {
return false
}
closeAll := true
for _, tab := range tabs {
for _, v := range tab.Views {
if !v.CanClose() {
closeAll = false
}
}
}
if closeAll {
// only quit if all of the buffers can be closed and the user confirms that they actually want to quit everything
shouldQuit, _ := messenger.YesNoPrompt("Do you want to quit micro (all open files will be closed)?")
if shouldQuit {
for _, tab := range tabs {
for _, v := range tab.Views {
v.CloseBuffer()
}
}
if usePlugin {
PostActionCall("QuitAll", v)
}
screen.Fini()
messenger.SaveHistory()
os.Exit(0)
}
}
}
return false
}
// AddTab adds a new tab with an empty buffer
func (v *View) AddTab(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("AddTab", v) {
return false
}
tab := NewTabFromView(NewView(NewBufferFromString("", "")))
tab.SetNum(len(tabs))
tabs = append(tabs, tab)
curTab = len(tabs) - 1
if len(tabs) == 2 {
for _, t := range tabs {
for _, v := range t.Views {
v.ToggleTabbar()
}
}
}
if usePlugin {
return PostActionCall("AddTab", v)
}
}
return true
}
// PreviousTab switches to the previous tab in the tab list
func (v *View) PreviousTab(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("PreviousTab", v) {
return false
}
if curTab > 0 {
curTab--
} else if curTab == 0 {
curTab = len(tabs) - 1
}
if usePlugin {
return PostActionCall("PreviousTab", v)
}
}
return false
}
// NextTab switches to the next tab in the tab list
func (v *View) NextTab(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("NextTab", v) {
return false
}
if curTab < len(tabs)-1 {
curTab++
} else if curTab == len(tabs)-1 {
curTab = 0
}
if usePlugin {
return PostActionCall("NextTab", v)
}
}
return false
}
// VSplitBinding opens an empty vertical split
func (v *View) VSplitBinding(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("VSplit", v) {
return false
}
v.VSplit(NewBufferFromString("", ""))
if usePlugin {
return PostActionCall("VSplit", v)
}
}
return false
}
// HSplitBinding opens an empty horizontal split
func (v *View) HSplitBinding(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("HSplit", v) {
return false
}
v.HSplit(NewBufferFromString("", ""))
if usePlugin {
return PostActionCall("HSplit", v)
}
}
return false
}
// Unsplit closes all splits in the current tab except the active one
func (v *View) Unsplit(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("Unsplit", v) {
return false
}
curView := tabs[curTab].CurView
for i := len(tabs[curTab].Views) - 1; i >= 0; i-- {
view := tabs[curTab].Views[i]
if view != nil && view.Num != curView {
view.Quit(true)
// messenger.Message("Quit ", view.Buf.Path)
}
}
if usePlugin {
return PostActionCall("Unsplit", v)
}
}
return false
}
// NextSplit changes the view to the next split
func (v *View) NextSplit(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("NextSplit", v) {
return false
}
tab := tabs[curTab]
if tab.CurView < len(tab.Views)-1 {
tab.CurView++
} else {
tab.CurView = 0
}
if usePlugin {
return PostActionCall("NextSplit", v)
}
}
return false
}
// PreviousSplit changes the view to the previous split
func (v *View) PreviousSplit(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("PreviousSplit", v) {
return false
}
tab := tabs[curTab]
if tab.CurView > 0 {
tab.CurView--
} else {
tab.CurView = len(tab.Views) - 1
}
if usePlugin {
return PostActionCall("PreviousSplit", v)
}
}
return false
}
var curMacro []interface{}
var recordingMacro bool
// ToggleMacro toggles recording of a macro
func (v *View) ToggleMacro(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("ToggleMacro", v) {
return false
}
recordingMacro = !recordingMacro
if recordingMacro {
curMacro = []interface{}{}
messenger.Message("Recording")
} else {
messenger.Message("Stopped recording")
}
if usePlugin {
return PostActionCall("ToggleMacro", v)
}
}
return true
}
// PlayMacro plays back the most recently recorded macro
func (v *View) PlayMacro(usePlugin bool) bool {
if usePlugin && !PreActionCall("PlayMacro", v) {
return false
}
for _, action := range curMacro {
switch t := action.(type) {
case rune:
// Insert a character
if v.Cursor.HasSelection() {
v.Cursor.DeleteSelection()
v.Cursor.ResetSelection()
}
v.Buf.Insert(v.Cursor.Loc, string(t))
// v.Cursor.Right()
for pl := range loadedPlugins {
_, err := Call(pl+".onRune", string(t), v)
if err != nil && !strings.HasPrefix(err.Error(), "function does not exist") {
TermMessage(err)
}
}
case func(*View, bool) bool:
t(v, true)
}
}
if usePlugin {
return PostActionCall("PlayMacro", v)
}
return true
}
// SpawnMultiCursor creates a new multiple cursor at the next occurrence of the current selection or current word
func (v *View) SpawnMultiCursor(usePlugin bool) bool {
spawner := v.Buf.cursors[len(v.Buf.cursors)-1]
// You can only spawn a cursor from the main cursor
if v.Cursor == spawner {
if usePlugin && !PreActionCall("SpawnMultiCursor", v) {
return false
}
if !spawner.HasSelection() {
spawner.SelectWord()
} else {
c := &Cursor{
buf: v.Buf,
}
sel := spawner.GetSelection()
searchStart = spawner.CurSelection[1]
v.Cursor = c
Search(regexp.QuoteMeta(sel), v, true)
for _, cur := range v.Buf.cursors {
if c.Loc == cur.Loc {
return false
}
}
v.Buf.cursors = append(v.Buf.cursors, c)
v.Buf.UpdateCursors()
v.Relocate()
v.Cursor = spawner
}
if usePlugin {
PostActionCall("SpawnMultiCursor", v)
}
}
return false
}
// SpawnMultiCursorSelect adds a cursor at the beginning of each line of a selection
func (v *View) SpawnMultiCursorSelect(usePlugin bool) bool {
if v.Cursor == &v.Buf.Cursor {
if usePlugin && !PreActionCall("SpawnMultiCursorSelect", v) {
return false
}
// Avoid cases where multiple cursors already exist, that would create problems
if len(v.Buf.cursors) > 1 {
return false
}
var startLine int
var endLine int
a, b := v.Cursor.CurSelection[0].Y, v.Cursor.CurSelection[1].Y
if a > b {
startLine, endLine = b, a
} else {
startLine, endLine = a, b
}
if v.Cursor.HasSelection() {
v.Cursor.ResetSelection()
v.Cursor.GotoLoc(Loc{0, startLine})
for i := startLine; i <= endLine; i++ {
c := &Cursor{
buf: v.Buf,
}
c.GotoLoc(Loc{0, i})
v.Buf.cursors = append(v.Buf.cursors, c)
}
v.Buf.MergeCursors()
v.Buf.UpdateCursors()
} else {
return false
}
if usePlugin {
PostActionCall("SpawnMultiCursorSelect", v)
}
messenger.Message("Added cursors from selection")
}
return false
}
// MouseMultiCursor is a mouse action which puts a new cursor at the mouse position
func (v *View) MouseMultiCursor(usePlugin bool, e *tcell.EventMouse) bool {
if v.Cursor == &v.Buf.Cursor {
if usePlugin && !PreActionCall("SpawnMultiCursorAtMouse", v, e) {
return false
}
x, y := e.Position()
x -= v.lineNumOffset - v.leftCol + v.x
y += v.Topline - v.y
c := &Cursor{
buf: v.Buf,
}
v.Cursor = c
v.MoveToMouseClick(x, y)
v.Relocate()
v.Cursor = &v.Buf.Cursor
v.Buf.cursors = append(v.Buf.cursors, c)
v.Buf.MergeCursors()
v.Buf.UpdateCursors()
if usePlugin {
PostActionCall("SpawnMultiCursorAtMouse", v)
}
}
return false
}
// SkipMultiCursor moves the current multiple cursor to the next available position
func (v *View) SkipMultiCursor(usePlugin bool) bool {
cursor := v.Buf.cursors[len(v.Buf.cursors)-1]
if v.mainCursor() {
if usePlugin && !PreActionCall("SkipMultiCursor", v) {
return false
}
sel := cursor.GetSelection()
searchStart = cursor.CurSelection[1]
v.Cursor = cursor
Search(regexp.QuoteMeta(sel), v, true)
v.Relocate()
v.Cursor = cursor
if usePlugin {
PostActionCall("SkipMultiCursor", v)
}
}
return false
}
// RemoveMultiCursor removes the latest multiple cursor
func (v *View) RemoveMultiCursor(usePlugin bool) bool {
end := len(v.Buf.cursors)
if end > 1 {
if v.mainCursor() {
if usePlugin && !PreActionCall("RemoveMultiCursor", v) {
return false
}
v.Buf.cursors[end-1] = nil
v.Buf.cursors = v.Buf.cursors[:end-1]
v.Buf.UpdateCursors()
v.Relocate()
if usePlugin {
return PostActionCall("RemoveMultiCursor", v)
}
return true
}
} else {
v.RemoveAllMultiCursors(usePlugin)
}
return false
}
// RemoveAllMultiCursors removes all cursors except the base cursor
func (v *View) RemoveAllMultiCursors(usePlugin bool) bool {
if v.mainCursor() {
if usePlugin && !PreActionCall("RemoveAllMultiCursors", v) {
return false
}
v.Buf.clearCursors()
v.Relocate()
if usePlugin {
return PostActionCall("RemoveAllMultiCursors", v)
}
return true
}
return false
}';
$subst = "--[[\n${statementDescComment}${statement}\n]]--";
$result = preg_replace($re, $subst, $str);
echo "The result of the substitution is ".$result;
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php