mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-30 20:20:49 +00:00
45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
// Copyright © 2013 Steve Francia <spf@spf13.com>.
|
|
//
|
|
// Licensed under the Simple Public 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://opensource.org/licenses/Simple-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 helpers
|
|
|
|
import (
|
|
"bytes"
|
|
"log"
|
|
"os/exec"
|
|
"strings"
|
|
)
|
|
|
|
func Highlight(code string, lexer string) string {
|
|
var pygmentsBin = "pygmentize"
|
|
|
|
if _, err := exec.LookPath(pygmentsBin); err != nil {
|
|
log.Print("Highlighting requries Pygments to be installed and in the path")
|
|
return code
|
|
}
|
|
|
|
var out bytes.Buffer
|
|
var stderr bytes.Buffer
|
|
|
|
cmd := exec.Command(pygmentsBin, "-l"+lexer, "-fhtml", "-O style=monokai,noclasses=true,encoding=utf-8")
|
|
cmd.Stdin = strings.NewReader(code)
|
|
cmd.Stdout = &out
|
|
cmd.Stderr = &stderr
|
|
|
|
if err := cmd.Run(); err != nil {
|
|
log.Print(stderr.String())
|
|
return code
|
|
}
|
|
|
|
return out.String()
|
|
}
|