114 lines
2.0 KiB
Go
114 lines
2.0 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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// Copyright Authors of K9s
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package render
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import (
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"fmt"
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"log/slog"
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"regexp"
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"github.com/derailed/k9s/internal/model1"
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"github.com/derailed/k9s/internal/slogs"
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"github.com/derailed/tview"
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"k8s.io/kubectl/pkg/cmd/get"
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)
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var fullRX = regexp.MustCompile(`^([\w\s%/-]+):?([\w\W]*?)\|?([NTWSLRH]{0,3})$`)
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type colAttr byte
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const (
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number colAttr = 'N'
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age colAttr = 'T'
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wide colAttr = 'W'
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show colAttr = 'S'
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alignLeft colAttr = 'L'
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alignRight colAttr = 'R'
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hide colAttr = 'H'
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)
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type colAttrs struct {
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align int
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mx bool
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mxc bool
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mxm bool
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time bool
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wide bool
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show bool
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hide bool
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capacity bool
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}
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func newColFlags(flags string) colAttrs {
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c := colAttrs{
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align: tview.AlignLeft,
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wide: false,
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}
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for _, b := range []byte(flags) {
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switch colAttr(b) {
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case hide:
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c.hide = true
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case wide:
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c.wide, c.show = true, false
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case show:
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c.show, c.wide = true, false
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case alignLeft:
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c.align = tview.AlignLeft
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case alignRight:
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c.align = tview.AlignRight
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case age:
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c.time = true
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case number:
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c.capacity, c.align = true, tview.AlignRight
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default:
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slog.Warn("Unknown column attribute", slogs.Attr, b)
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}
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}
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return c
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}
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type colDef struct {
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colAttrs
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name string
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idx int
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spec string
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}
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func parse(s string) (colDef, error) {
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mm := fullRX.FindStringSubmatch(s)
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if len(mm) == 4 {
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spec, err := get.RelaxedJSONPathExpression(mm[2])
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if err != nil {
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return colDef{idx: -1}, err
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}
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return colDef{
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name: mm[1],
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idx: -1,
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spec: spec,
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colAttrs: newColFlags(mm[3]),
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}, nil
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}
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return colDef{idx: -1}, fmt.Errorf("invalid column definition %q", s)
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}
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func (c colDef) toHeaderCol() model1.HeaderColumn {
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return model1.HeaderColumn{
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Name: c.name,
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Attrs: model1.Attrs{
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Align: c.align,
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Wide: c.wide,
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Show: c.show,
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Time: c.time,
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MX: c.mx,
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MXC: c.mxc,
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MXM: c.mxm,
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Hide: c.hide,
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Capacity: c.capacity,
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},
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}
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}
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