1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package label
import (
"errors"
"fmt"
"strings"
"code.gitea.io/gitea/modules/options"
"gopkg.in/yaml.v3"
)
type labelFile struct {
Labels []*Label `yaml:"labels"`
}
// ErrTemplateLoad represents a "ErrTemplateLoad" kind of error.
type ErrTemplateLoad struct {
TemplateFile string
OriginalError error
}
// IsErrTemplateLoad checks if an error is a ErrTemplateLoad.
func IsErrTemplateLoad(err error) bool {
_, ok := err.(ErrTemplateLoad)
return ok
}
func (err ErrTemplateLoad) Error() string {
return fmt.Sprintf("failed to load label template file %q: %v", err.TemplateFile, err.OriginalError)
}
// LoadTemplateFile loads the label template file by given file name, returns a slice of Label structs.
func LoadTemplateFile(fileName string) ([]*Label, error) {
data, err := options.Labels(fileName)
if err != nil {
return nil, ErrTemplateLoad{fileName, fmt.Errorf("LoadTemplateFile: %w", err)}
}
if strings.HasSuffix(fileName, ".yaml") || strings.HasSuffix(fileName, ".yml") {
return parseYamlFormat(fileName, data)
}
return parseLegacyFormat(fileName, data)
}
func parseYamlFormat(fileName string, data []byte) ([]*Label, error) {
lf := &labelFile{}
if err := yaml.Unmarshal(data, lf); err != nil {
return nil, err
}
// Validate label data and fix colors
for _, l := range lf.Labels {
l.Color = strings.TrimSpace(l.Color)
if len(l.Name) == 0 || len(l.Color) == 0 {
return nil, ErrTemplateLoad{fileName, errors.New("label name and color are required fields")}
}
color, err := NormalizeColor(l.Color)
if err != nil {
return nil, ErrTemplateLoad{fileName, fmt.Errorf("bad HTML color code '%s' in label: %s", l.Color, l.Name)}
}
l.Color = color
}
return lf.Labels, nil
}
func parseLegacyFormat(fileName string, data []byte) ([]*Label, error) {
lines := strings.Split(string(data), "\n")
list := make([]*Label, 0, len(lines))
for i := 0; i < len(lines); i++ {
line := strings.TrimSpace(lines[i])
if len(line) == 0 {
continue
}
parts, description, _ := strings.Cut(line, ";")
color, labelName, ok := strings.Cut(parts, " ")
if !ok {
return nil, ErrTemplateLoad{fileName, fmt.Errorf("line is malformed: %s", line)}
}
color, err := NormalizeColor(color)
if err != nil {
return nil, ErrTemplateLoad{fileName, fmt.Errorf("bad HTML color code '%s' in line: %s", color, line)}
}
list = append(list, &Label{
Name: strings.TrimSpace(labelName),
Color: color,
Description: strings.TrimSpace(description),
})
}
return list, nil
}
// LoadTemplateDescription loads the labels from a template file, returns a description string by joining each Label.Name with comma
func LoadTemplateDescription(fileName string) (string, error) {
var buf strings.Builder
list, err := LoadTemplateFile(fileName)
if err != nil {
return "", err
}
for i := 0; i < len(list); i++ {
if i > 0 {
buf.WriteString(", ")
}
buf.WriteString(list[i].Name)
}
return buf.String(), nil
}
|
