k9s/internal/views/yaml.go

53 lines
1.3 KiB
Go

package views
import (
"fmt"
"regexp"
"strings"
"github.com/derailed/k9s/internal/config"
)
var (
keyValRX = regexp.MustCompile(`\A(\s*)([\w|\-|\.|\s]+):\s(.+)\z`)
keyRX = regexp.MustCompile(`\A(\s*)([\w|\-|\.|\s]+):\s*\z`)
)
const (
yamlFullFmt = "%s[key::b]%s[colon::-]: [val::]%s"
yamlKeyFmt = "%s[key::b]%s[colon::-]:"
yamlValueFmt = "[val::]%s"
)
func colorizeYAML(style *config.Style, raw string) string {
lines := strings.Split(raw, "\n")
fullFmt := strings.Replace(yamlFullFmt, "[key", "["+style.Yaml.KeyColor, 1)
fullFmt = strings.Replace(fullFmt, "[colon", "["+style.Yaml.ColonColor, 1)
fullFmt = strings.Replace(fullFmt, "[val", "["+style.Yaml.ValueColor, 1)
keyFmt := strings.Replace(yamlKeyFmt, "[key", "["+style.Yaml.KeyColor, 1)
keyFmt = strings.Replace(keyFmt, "[colon", "["+style.Yaml.ColonColor, 1)
valFmt := strings.Replace(yamlValueFmt, "[val", "["+style.Yaml.ValueColor, 1)
buff := make([]string, 0, len(lines))
for _, l := range lines {
res := keyValRX.FindStringSubmatch(l)
if len(res) == 4 {
buff = append(buff, fmt.Sprintf(fullFmt, res[1], res[2], res[3]))
continue
}
res = keyRX.FindStringSubmatch(l)
if len(res) == 3 {
buff = append(buff, fmt.Sprintf(keyFmt, res[1], res[2]))
continue
}
buff = append(buff, fmt.Sprintf(valFmt, l))
}
return strings.Join(buff, "\n")
}