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
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
package deps
import (
"io/ioutil"
"log"
"os"
"github.com/gohugoio/hugo/config"
"github.com/gohugoio/hugo/helpers"
"github.com/gohugoio/hugo/hugofs"
"github.com/gohugoio/hugo/output"
"github.com/gohugoio/hugo/tpl"
jww "github.com/spf13/jwalterweatherman"
)
// Deps holds dependencies used by many.
// There will be normally only one instance of deps in play
// at a given time, i.e. one per Site built.
type Deps struct {
// The logger to use.
Log *jww.Notepad `json:"-"`
// The templates to use. This will usually implement the full tpl.TemplateHandler.
Tmpl tpl.TemplateFinder `json:"-"`
// The file systems to use.
Fs *hugofs.Fs `json:"-"`
// The PathSpec to use
*helpers.PathSpec `json:"-"`
// The ContentSpec to use
*helpers.ContentSpec `json:"-"`
// The configuration to use
Cfg config.Provider `json:"-"`
// The translation func to use
Translate func(translationID string, args ...interface{}) string `json:"-"`
Language *helpers.Language
// All the output formats available for the current site.
OutputFormatsConfig output.Formats
templateProvider ResourceProvider
WithTemplate func(templ tpl.TemplateHandler) error `json:"-"`
translationProvider ResourceProvider
}
// ResourceProvider is used to create and refresh, and clone resources needed.
type ResourceProvider interface {
Update(deps *Deps) error
Clone(deps *Deps) error
}
// TemplateHandler returns the used tpl.TemplateFinder as tpl.TemplateHandler.
func (d *Deps) TemplateHandler() tpl.TemplateHandler {
return d.Tmpl.(tpl.TemplateHandler)
}
// LoadResources loads translations and templates.
func (d *Deps) LoadResources() error {
// Note that the translations need to be loaded before the templates.
if err := d.translationProvider.Update(d); err != nil {
return err
}
if err := d.templateProvider.Update(d); err != nil {
return err
}
if th, ok := d.Tmpl.(tpl.TemplateHandler); ok {
th.PrintErrors()
}
return nil
}
// New initializes a Dep struct.
// Defaults are set for nil values,
// but TemplateProvider, TranslationProvider and Language are always required.
func New(cfg DepsCfg) (*Deps, error) {
var (
logger = cfg.Logger
fs = cfg.Fs
)
if cfg.TemplateProvider == nil {
panic("Must have a TemplateProvider")
}
if cfg.TranslationProvider == nil {
panic("Must have a TranslationProvider")
}
if cfg.Language == nil {
panic("Must have a Language")
}
if logger == nil {
logger = jww.NewNotepad(jww.LevelError, jww.LevelError, os.Stdout, ioutil.Discard, "", log.Ldate|log.Ltime)
}
if fs == nil {
// Default to the production file system.
fs = hugofs.NewDefault(cfg.Language)
}
ps, err := helpers.NewPathSpec(fs, cfg.Language)
if err != nil {
return nil, err
}
d := &Deps{
Fs: fs,
Log: logger,
templateProvider: cfg.TemplateProvider,
translationProvider: cfg.TranslationProvider,
WithTemplate: cfg.WithTemplate,
PathSpec: ps,
ContentSpec: helpers.NewContentSpec(cfg.Language),
Cfg: cfg.Language,
Language: cfg.Language,
}
return d, nil
}
// ForLanguage creates a copy of the Deps with the language dependent
// parts switched out.
func (d Deps) ForLanguage(l *helpers.Language) (*Deps, error) {
var err error
d.PathSpec, err = helpers.NewPathSpec(d.Fs, l)
if err != nil {
return nil, err
}
d.ContentSpec = helpers.NewContentSpec(l)
d.Cfg = l
d.Language = l
if err := d.translationProvider.Clone(&d); err != nil {
return nil, err
}
if err := d.templateProvider.Clone(&d); err != nil {
return nil, err
}
return &d, nil
}
// DepsCfg contains configuration options that can be used to configure Hugo
// on a global level, i.e. logging etc.
// Nil values will be given default values.
type DepsCfg struct {
// The Logger to use.
Logger *jww.Notepad
// The file systems to use
Fs *hugofs.Fs
// The language to use.
Language *helpers.Language
// The configuration to use.
Cfg config.Provider
// Template handling.
TemplateProvider ResourceProvider
WithTemplate func(templ tpl.TemplateHandler) error
// i18n handling.
TranslationProvider ResourceProvider
}
|