mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-30 01:31:06 -05:00
74 lines
2.3 KiB
Go
74 lines
2.3 KiB
Go
// Copyright 2017-present The Hugo Authors. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package commands
|
|
|
|
import (
|
|
"os"
|
|
|
|
"github.com/alecthomas/chroma"
|
|
"github.com/alecthomas/chroma/formatters/html"
|
|
"github.com/alecthomas/chroma/styles"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
var (
|
|
_ cmder = (*genChromaStyles)(nil)
|
|
)
|
|
|
|
type genChromaStyles struct {
|
|
style string
|
|
highlightStyle string
|
|
linesStyle string
|
|
*baseCmd
|
|
}
|
|
|
|
// TODO(bep) highlight
|
|
func createGenChromaStyles() *genChromaStyles {
|
|
g := &genChromaStyles{
|
|
baseCmd: newBaseCmd(&cobra.Command{
|
|
Use: "chromastyles",
|
|
Short: "Generate CSS stylesheet for the Chroma code highlighter",
|
|
Long: `Generate CSS stylesheet for the Chroma code highlighter for a given style. This stylesheet is needed if pygmentsUseClasses is enabled in config.
|
|
|
|
See https://help.farbox.com/pygments.html for preview of available styles`,
|
|
}),
|
|
}
|
|
|
|
g.cmd.RunE = func(cmd *cobra.Command, args []string) error {
|
|
return g.generate()
|
|
}
|
|
|
|
g.cmd.PersistentFlags().StringVar(&g.style, "style", "friendly", "highlighter style (see https://help.farbox.com/pygments.html)")
|
|
g.cmd.PersistentFlags().StringVar(&g.highlightStyle, "highlightStyle", "bg:#ffffcc", "style used for highlighting lines (see https://github.com/alecthomas/chroma)")
|
|
g.cmd.PersistentFlags().StringVar(&g.linesStyle, "linesStyle", "", "style used for line numbers (see https://github.com/alecthomas/chroma)")
|
|
|
|
return g
|
|
}
|
|
|
|
func (g *genChromaStyles) generate() error {
|
|
builder := styles.Get(g.style).Builder()
|
|
if g.highlightStyle != "" {
|
|
builder.Add(chroma.LineHighlight, g.highlightStyle)
|
|
}
|
|
if g.linesStyle != "" {
|
|
builder.Add(chroma.LineNumbers, g.linesStyle)
|
|
}
|
|
style, err := builder.Build()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
formatter := html.New(html.WithClasses())
|
|
formatter.WriteCSS(os.Stdout, style)
|
|
return nil
|
|
}
|