mirror of
https://github.com/go-gitea/gitea
synced 2024-11-23 02:28:15 +01:00
47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
|
// Copyright 2023 The Gitea Authors. All rights reserved.
|
||
|
|
// SPDX-License-Identifier: MIT
|
||
|
|
|
||
|
|
package label
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"regexp"
|
||
|
|
"strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
// colorPattern is a regexp which can validate label color
|
||
|
|
var colorPattern = regexp.MustCompile("^#?(?:[0-9a-fA-F]{6}|[0-9a-fA-F]{3})$")
|
||
|
|
|
||
|
|
// Label represents label information loaded from template
|
||
|
|
type Label struct {
|
||
|
|
Name string `yaml:"name"`
|
||
|
|
Color string `yaml:"color"`
|
||
|
|
Description string `yaml:"description,omitempty"`
|
||
|
|
Exclusive bool `yaml:"exclusive,omitempty"`
|
||
|
|
}
|
||
|
|
|
||
|
|
// NormalizeColor normalizes a color string to a 6-character hex code
|
||
|
|
func NormalizeColor(color string) (string, error) {
|
||
|
|
// normalize case
|
||
|
|
color = strings.TrimSpace(strings.ToLower(color))
|
||
|
|
|
||
|
|
// add leading hash
|
||
|
|
if len(color) == 6 || len(color) == 3 {
|
||
|
|
color = "#" + color
|
||
|
|
}
|
||
|
|
|
||
|
|
if !colorPattern.MatchString(color) {
|
||
|
|
return "", fmt.Errorf("bad color code: %s", color)
|
||
|
|
}
|
||
|
|
|
||
|
|
// convert 3-character shorthand into 6-character version
|
||
|
|
if len(color) == 4 {
|
||
|
|
r := color[1]
|
||
|
|
g := color[2]
|
||
|
|
b := color[3]
|
||
|
|
color = fmt.Sprintf("#%c%c%c%c%c%c", r, r, g, g, b, b)
|
||
|
|
}
|
||
|
|
|
||
|
|
return color, nil
|
||
|
|
}
|