v2/assets/embed.go

package assets

import (
	"embed"
	"fmt"
	"io/fs"
	"os"
	"strings"

	classifier "github.com/google/licenseclassifier/v2"
)

//go:embed */*/*
var licenseFS embed.FS

// DefaultClassifier returns a classifier loaded with the contents of the
// assets directory.
func DefaultClassifier() (*classifier.Classifier, error) {
	c := classifier.NewClassifier(.8)

	err := fs.WalkDir(licenseFS, ".", func(path string, d fs.DirEntry, err error) error {
		if err != nil {
			return err
		}
		if d.IsDir() {
			return nil
		}

		b, err := licenseFS.ReadFile(path)
		if err != nil {
			return err
		}
		splits := strings.Split(path, fmt.Sprintf("%c", os.PathSeparator))
		category, name, variant := splits[0], splits[1], splits[2]
		c.AddContent(category, name, variant, b)
		return nil
	})

	if err != nil {
		return nil, err
	}
	return c, nil

}

// ReadLicenseFile locates and reads the license archive file.  Absolute paths are used unmodified.  Relative paths are expected to be in the licenses directory of the licenseclassifier package.
func ReadLicenseFile(filename string) ([]byte, error) {
	return licenseFS.ReadFile(filename)
}

// ReadLicenseDir reads directory containing the license files.
func ReadLicenseDir() ([]fs.DirEntry, error) {
	return licenseFS.ReadDir(".")
}