mirror of
https://github.com/cheat/cheat.git
synced 2024-11-24 06:51:36 +01:00
35 lines
758 B
Go
35 lines
758 B
Go
package frontmatter
|
|
|
|
import (
|
|
"strings"
|
|
|
|
"gopkg.in/yaml.v1"
|
|
)
|
|
|
|
// Frontmatter encapsulates cheatsheet frontmatter data
|
|
type Frontmatter struct {
|
|
Tags []string
|
|
Syntax string
|
|
}
|
|
|
|
// Parse parses cheatsheet frontmatter
|
|
func Parse(markdown string) (string, Frontmatter, error) {
|
|
|
|
// specify the frontmatter delimiter
|
|
delim := "---"
|
|
|
|
// initialize a frontmatter struct
|
|
var fm Frontmatter
|
|
|
|
// if the markdown does not contain frontmatter, pass it through unmodified
|
|
if !strings.HasPrefix(markdown, delim) {
|
|
return strings.TrimSpace(markdown), fm, nil
|
|
}
|
|
|
|
// otherwise, split the frontmatter and cheatsheet text
|
|
parts := strings.SplitN(markdown, delim, 3)
|
|
err := yaml.Unmarshal([]byte(parts[1]), &fm)
|
|
|
|
return strings.TrimSpace(parts[2]), fm, err
|
|
}
|