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refactor: console #117

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merged 1 commit into from
Apr 2, 2024
Merged

refactor: console #117

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228 changes: 114 additions & 114 deletions cmd/console/RecordWidget.go
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Original file line number Diff line number Diff line change
Expand Up @@ -31,271 +31,271 @@ func NewRecordWidget(name, prev, next string) *RecordWidget {
}
}

func (w *RecordWidget) Layout(g *gocui.Gui) error {
maxX, maxY := g.Size()
func (recordWidget *RecordWidget) Layout(gui *gocui.Gui) error {
maxX, maxY := gui.Size()
dynamicColumnWidth := maxX - 60
if dynamicColumnWidth < 51 {
dynamicColumnWidth = 51
}

if v, err := g.SetView(w.headerView, 50, 10, dynamicColumnWidth, 30, gocui.BOTTOM|gocui.RIGHT); err != nil {
if view, err := gui.SetView(recordWidget.headerView, 50, 10, dynamicColumnWidth, 30, gocui.BOTTOM|gocui.RIGHT); err != nil {
if err != gocui.ErrUnknownView {
return err
}
v.FgColor = gocui.ColorDefault
v.BgColor = gocui.ColorDefault
v.SelBgColor = gocui.ColorWhite
v.SelFgColor = gocui.ColorBlack
v.Highlight = false
v.Wrap = true
v.Title = "WARC header"
view.FgColor = gocui.ColorDefault
view.BgColor = gocui.ColorDefault
view.SelBgColor = gocui.ColorWhite
view.SelFgColor = gocui.ColorBlack
view.Highlight = false
view.Wrap = true
view.Title = "WARC header"
}

if v, err := g.SetView(w.contentView, 50, 30, dynamicColumnWidth, maxY-2, gocui.TOP|gocui.RIGHT); err != nil {
if view, err := gui.SetView(recordWidget.contentView, 50, 30, dynamicColumnWidth, maxY-2, gocui.TOP|gocui.RIGHT); err != nil {
if err != gocui.ErrUnknownView {
return err
}
v.FgColor = gocui.ColorDefault
v.BgColor = gocui.ColorDefault
v.SelBgColor = gocui.ColorWhite
v.SelFgColor = gocui.ColorBlack
v.Highlight = false
v.Wrap = true
v.Title = "WARC content"
view.FgColor = gocui.ColorDefault
view.BgColor = gocui.ColorDefault
view.SelBgColor = gocui.ColorWhite
view.SelFgColor = gocui.ColorBlack
view.Highlight = false
view.Wrap = true
view.Title = "WARC content"
}

if v, err := g.SetView(w.errorView, dynamicColumnWidth, 10, maxX-1, maxY-2, gocui.LEFT); err != nil {
if view, err := gui.SetView(recordWidget.errorView, dynamicColumnWidth, 10, maxX-1, maxY-2, gocui.LEFT); err != nil {
if err != gocui.ErrUnknownView {
return err
}
v.FgColor = gocui.ColorRed
v.BgColor = gocui.ColorDefault
v.SelBgColor = gocui.ColorWhite
v.SelFgColor = gocui.ColorBlack
v.Highlight = false
v.Wrap = true
v.Title = "Errors"
view.FgColor = gocui.ColorRed
view.BgColor = gocui.ColorDefault
view.SelBgColor = gocui.ColorWhite
view.SelFgColor = gocui.ColorBlack
view.Highlight = false
view.Wrap = true
view.Title = "Errors"
}

_ = w.addKeybindings(g, w.headerView)
_ = w.addKeybindings(g, w.contentView)
_ = w.addKeybindings(g, w.errorView)
_ = recordWidget.addKeybindings(gui, recordWidget.headerView)
_ = recordWidget.addKeybindings(gui, recordWidget.contentView)
_ = recordWidget.addKeybindings(gui, recordWidget.errorView)

return nil
}

func (w *RecordWidget) addKeybindings(g *gocui.Gui, widget string) error {
if err := g.SetKeybinding(widget, gocui.KeyArrowDown, gocui.ModNone, w.cursorDown); err != nil {
func (recordWidget *RecordWidget) addKeybindings(gui *gocui.Gui, widget string) error {
if err := gui.SetKeybinding(widget, gocui.KeyArrowDown, gocui.ModNone, recordWidget.cursorDown); err != nil {
return err
}
if err := g.SetKeybinding(widget, gocui.KeyArrowUp, gocui.ModNone, w.cursorUp); err != nil {
if err := gui.SetKeybinding(widget, gocui.KeyArrowUp, gocui.ModNone, recordWidget.cursorUp); err != nil {
return err
}
if err := g.SetKeybinding(widget, gocui.KeyHome, gocui.ModNone, func(gui *gocui.Gui, view *gocui.View) error {
if err := gui.SetKeybinding(widget, gocui.KeyHome, gocui.ModNone, func(gui *gocui.Gui, view *gocui.View) error {
if view != nil {
return w.scroll(view, -view.ViewLinesHeight())
return recordWidget.scroll(view, -view.ViewLinesHeight())
}
return nil
}); err != nil {
return err
}
if err := g.SetKeybinding(widget, gocui.KeyEnd, gocui.ModNone, func(gui *gocui.Gui, view *gocui.View) error {
if err := gui.SetKeybinding(widget, gocui.KeyEnd, gocui.ModNone, func(gui *gocui.Gui, view *gocui.View) error {
if view != nil {
return w.scroll(view, view.ViewLinesHeight())
return recordWidget.scroll(view, view.ViewLinesHeight())
}
return nil
}); err != nil {
return err
}
if err := g.SetKeybinding(widget, gocui.KeyPgdn, gocui.ModNone, func(gui *gocui.Gui, view *gocui.View) error {
if err := gui.SetKeybinding(widget, gocui.KeyPgdn, gocui.ModNone, func(gui *gocui.Gui, view *gocui.View) error {
if view != nil {
_, h := view.Size()
h--
return w.scroll(view, h)
return recordWidget.scroll(view, h)
}
return nil
}); err != nil {
return err
}
if err := g.SetKeybinding(widget, gocui.KeyPgup, gocui.ModNone, func(gui *gocui.Gui, view *gocui.View) error {
if err := gui.SetKeybinding(widget, gocui.KeyPgup, gocui.ModNone, func(gui *gocui.Gui, view *gocui.View) error {
if view != nil {
_, h := view.Size()
h--
return w.scroll(view, -h)
return recordWidget.scroll(view, -h)
}
return nil
}); err != nil {
return err
}
if err := g.SetKeybinding(widget, gocui.MouseWheelDown, gocui.ModNone, w.cursorDown); err != nil {
if err := gui.SetKeybinding(widget, gocui.MouseWheelDown, gocui.ModNone, recordWidget.cursorDown); err != nil {
return err
}
if err := g.SetKeybinding(widget, gocui.MouseWheelUp, gocui.ModNone, w.cursorUp); err != nil {
if err := gui.SetKeybinding(widget, gocui.MouseWheelUp, gocui.ModNone, recordWidget.cursorUp); err != nil {
return err
}
if err := g.SetKeybinding(widget, gocui.KeyEnter, gocui.ModNone, w.nextView); err != nil {
if err := gui.SetKeybinding(widget, gocui.KeyEnter, gocui.ModNone, recordWidget.nextView); err != nil {
return err
}
if err := g.SetKeybinding(widget, gocui.KeyEsc, gocui.ModNone, w.prevView); err != nil {
if err := gui.SetKeybinding(widget, gocui.KeyEsc, gocui.ModNone, recordWidget.prevView); err != nil {
return err
}
if err := g.SetKeybinding(widget, gocui.MouseLeft, gocui.ModNone, w.currentView); err != nil {
if err := gui.SetKeybinding(widget, gocui.MouseLeft, gocui.ModNone, recordWidget.currentView); err != nil {
return err
}
return nil
}

func (w *RecordWidget) readRecord(g *gocui.Gui, widget *ListWidget) {
r, err := gowarc.NewWarcFileReader(state.dir+"/"+state.file, widget.filteredRecords[widget.selected].(record).offset,
func (recordWidget *RecordWidget) readRecord(gui *gocui.Gui, widget *ListWidget) {
warcFileReader, err := gowarc.NewWarcFileReader(state.dir+"/"+state.file, widget.filteredRecords[widget.selected].(record).offset,
gowarc.WithBufferTmpDir(viper.GetString(flag.TmpDir)))
if err != nil {
panic(err)
}
defer func() { _ = r.Close() }()
defer func() { _ = warcFileReader.Close() }()

rec, offset, val, err := r.Next()
warcRecord, offset, validation, err := warcFileReader.Next()
if err != nil {
panic(err)
}
defer func() { _ = rec.Close() }()
defer func() { _ = warcRecord.Close() }()

w.poopulateHeader(g, rec, offset)
w.poopulateContent(g, rec)
recordWidget.poopulateHeader(gui, warcRecord, offset)
recordWidget.poopulateContent(gui, warcRecord)

if err := rec.ValidateDigest(val); err != nil {
*val = append(*val, err)
if err := warcRecord.ValidateDigest(validation); err != nil {
*validation = append(*validation, err)
}

if err := rec.Close(); err != nil {
*val = append(*val, err)
if err := warcRecord.Close(); err != nil {
*validation = append(*validation, err)
}

ev, err := g.View(w.errorView)
view, err := gui.View(recordWidget.errorView)
if err != nil {
panic(err)
}
ev.Clear()
_, _ = fmt.Fprintf(ev, "%s\n", val)
view.Clear()
_, _ = fmt.Fprintf(view, "%s\n", validation)
}

func (w *RecordWidget) poopulateHeader(g *gocui.Gui, rec gowarc.WarcRecord, offset int64) {
view, err := g.View(w.headerView)
func (recordWidget *RecordWidget) poopulateHeader(gui *gocui.Gui, warcRecord gowarc.WarcRecord, offset int64) {
view, err := gui.View(recordWidget.headerView)
if err != nil {
panic(err)
}
view.Clear()
view.Subtitle = fmt.Sprintf("Offset: %d", offset)
f := &visibleLineEndingFilter{view}
_, _ = f.Write([]byte(rec.Version().String() + "\r\n"))
_, _ = rec.WarcHeader().Write(f)
visibleLineEndingFilter := &visibleLineEndingFilter{view}
_, _ = visibleLineEndingFilter.Write([]byte(warcRecord.Version().String() + "\r\n"))
_, _ = warcRecord.WarcHeader().Write(visibleLineEndingFilter)
}

func (w *RecordWidget) poopulateContent(g *gocui.Gui, rec gowarc.WarcRecord) {
view, err := g.View(w.contentView)
func (recordWidget *RecordWidget) poopulateContent(gui *gocui.Gui, warcRecord gowarc.WarcRecord) {
view, err := gui.View(recordWidget.contentView)
if err != nil {
panic(err)
}
view.Clear()
if _, ok := rec.Block().(gowarc.PayloadBlock); ok {
if _, ok := warcRecord.Block().(gowarc.PayloadBlock); ok {
// Cache block when there is a defined payload so that we can get the payload size later.
_ = rec.Block().Cache()
_ = warcRecord.Block().Cache()
}
f := &visibleLineEndingFilter{view}
rr, err := rec.Block().RawBytes()
visibleLineEndingFilter := &visibleLineEndingFilter{view}
ioReader, err := warcRecord.Block().RawBytes()
if err != nil {
panic(err)
}
content, err := io.ReadAll(rr)
content, err := io.ReadAll(ioReader)
if err != nil {
panic(err)
}
_, _ = f.Write(content)
_, _ = visibleLineEndingFilter.Write(content)

subtitle := fmt.Sprintf("Blocksize: %d", len(content))
if p, ok := rec.Block().(gowarc.PayloadBlock); ok {
rr, err := p.PayloadBytes()
if payloadblock, ok := warcRecord.Block().(gowarc.PayloadBlock); ok {
ioReader, err := payloadblock.PayloadBytes()
if err != nil {
panic(err)
}
n, err := io.Copy(io.Discard, rr)
bytesWritten, err := io.Copy(io.Discard, ioReader)
if err != nil {
panic(err)
}
subtitle = fmt.Sprintf("%s, PayloadSize: %d", subtitle, n)
subtitle = fmt.Sprintf("%s, PayloadSize: %d", subtitle, bytesWritten)
}
view.Subtitle = subtitle
}

type visibleLineEndingFilter struct {
w io.Writer
ioWriter io.Writer
}

func (f *visibleLineEndingFilter) Write(p []byte) (n int, err error) {
p = colorizeReplaceAll(p, []byte("\r"), []byte("\\r"))
p = colorizeReplaceAll(p, []byte("\n"), []byte("\\n\n"))
return f.w.Write(p)
func (visiblelineEndingFilter *visibleLineEndingFilter) Write(content []byte) (bytesWritten int, err error) {
content = colorizeReplaceAll(content, []byte("\r"), []byte("\\r"))
content = colorizeReplaceAll(content, []byte("\n"), []byte("\\n\n"))
return visiblelineEndingFilter.ioWriter.Write(content)
}

func colorizeReplaceAll(source, old, replacement []byte) []byte {
reset := escapeFgColor(gocui.ColorDefault)
v := fmt.Sprintf("%s%s%s", escapeFgColor(gocui.ColorGreen), replacement, reset)
return bytes.ReplaceAll(source, old, []byte(v))
coloredString := fmt.Sprintf("%s%s%s", escapeFgColor(gocui.ColorGreen), replacement, reset)
return bytes.ReplaceAll(source, old, []byte(coloredString))
}

func (w *RecordWidget) cursorDown(g *gocui.Gui, v *gocui.View) error {
return w.scroll(v, 1)
func (recordWidget *RecordWidget) cursorDown(gui *gocui.Gui, view *gocui.View) error {
return recordWidget.scroll(view, 1)
}

func (w *RecordWidget) cursorUp(g *gocui.Gui, v *gocui.View) error {
return w.scroll(v, -1)
func (recordWidget *RecordWidget) cursorUp(gui *gocui.Gui, view *gocui.View) error {
return recordWidget.scroll(view, -1)
}

func (w *RecordWidget) scroll(v *gocui.View, delta int) error {
if v != nil {
_, viewHeight := v.Size()
contentHeight := v.ViewLinesHeight()
func (recordWidget *RecordWidget) scroll(view *gocui.View, ScrollDelta int) error {
if view != nil {
_, viewHeight := view.Size()
contentHeight := view.ViewLinesHeight()
if viewHeight >= contentHeight {
return nil
}

ox, oy := v.Origin()
ny := oy + delta
if ny < 0 {
ny = 0
originX, originY := view.Origin()
scrollDestinationY := originY + ScrollDelta
if scrollDestinationY < 0 {
scrollDestinationY = 0
}
if contentHeight-viewHeight < ny {
ny = contentHeight - viewHeight
if contentHeight-viewHeight < scrollDestinationY {
scrollDestinationY = contentHeight - viewHeight
}
_ = v.SetOrigin(ox, ny)
_ = view.SetOrigin(originX, scrollDestinationY)
}
return nil
}

func (w *RecordWidget) prevView(g *gocui.Gui, v *gocui.View) error {
func (recordWidget *RecordWidget) prevView(gui *gocui.Gui, view *gocui.View) error {
switch state.curView {
case w.errorView:
state.curView = w.contentView
case w.contentView:
state.curView = w.headerView
case w.headerView:
state.curView = w.prev
case recordWidget.errorView:
state.curView = recordWidget.contentView
case recordWidget.contentView:
state.curView = recordWidget.headerView
case recordWidget.headerView:
state.curView = recordWidget.prev
}
return nil
}

func (w *RecordWidget) nextView(g *gocui.Gui, v *gocui.View) error {
func (recordWidget *RecordWidget) nextView(gui *gocui.Gui, view *gocui.View) error {
switch state.curView {
case w.headerView:
state.curView = w.contentView
case w.contentView:
state.curView = w.errorView
case w.errorView:
state.curView = w.next
case recordWidget.headerView:
state.curView = recordWidget.contentView
case recordWidget.contentView:
state.curView = recordWidget.errorView
case recordWidget.errorView:
state.curView = recordWidget.next
}
return nil
}

func (w *RecordWidget) currentView(g *gocui.Gui, v *gocui.View) error {
state.curView = v.Name()
func (recordWidget *RecordWidget) currentView(gui *gocui.Gui, view *gocui.View) error {
state.curView = view.Name()
return nil
}
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