pkger/parser/walk.go

89 lines
1.4 KiB
Go

package parser
import (
"encoding/json"
"go/token"
"os"
"path/filepath"
"strings"
"github.com/markbates/pkger"
"github.com/markbates/pkger/here"
)
var _ Decl = WalkDecl{}
type WalkDecl struct {
file *File
pos token.Pos
value string
}
func (d WalkDecl) MarshalJSON() ([]byte, error) {
return json.Marshal(map[string]interface{}{
"type": "pkger.Walk",
"file": d.file,
"pos": d.pos,
"value": d.value,
})
}
func (d WalkDecl) File() (*File, error) {
if d.file == nil {
return nil, os.ErrNotExist
}
return d.file, nil
}
func (d WalkDecl) Pos() (token.Pos, error) {
if d.pos <= 0 {
return -1, os.ErrNotExist
}
return d.pos, nil
}
func (d WalkDecl) Value() (string, error) {
if d.value == "" {
return "", os.ErrNotExist
}
return d.value, nil
}
func (d WalkDecl) Files() ([]*File, error) {
pt, err := pkger.Parse(d.value)
if err != nil {
return nil, err
}
cur, err := here.Package(pt.Pkg)
if err != nil {
return nil, err
}
root := filepath.Join(cur.Dir, pt.Name)
var files []*File
err = filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
n := strings.TrimPrefix(path, cur.Dir)
pt, err := pkger.Parse(n)
if err != nil {
return err
}
pt.Pkg = cur.ImportPath
files = append(files, &File{
Abs: path,
Path: pt,
Here: cur,
})
return nil
})
return files, err
}