forked from mirror/pkger
103 lines
1.6 KiB
Go
103 lines
1.6 KiB
Go
package parser
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import (
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"encoding/json"
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"go/token"
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"os"
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"path/filepath"
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"strings"
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"github.com/markbates/pkger/here"
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)
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var _ Decl = WalkDecl{}
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type WalkDecl struct {
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file *File
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pos token.Position
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value string
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}
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func (d WalkDecl) String() string {
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b, _ := json.Marshal(d)
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return string(b)
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}
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func (d WalkDecl) MarshalJSON() ([]byte, error) {
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return json.Marshal(map[string]interface{}{
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"type": "pkger.Walk",
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"file": d.file,
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"pos": d.pos,
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"value": d.value,
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})
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}
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func (d WalkDecl) File() (*File, error) {
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if d.file == nil {
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return nil, os.ErrNotExist
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}
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return d.file, nil
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}
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func (d WalkDecl) Position() (token.Position, error) {
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return d.pos, nil
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}
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func (d WalkDecl) Value() (string, error) {
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if d.value == "" {
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return "", os.ErrNotExist
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}
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return d.value, nil
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}
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func (d WalkDecl) Files(virtual map[string]string) ([]*File, error) {
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var files []*File
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her, err := here.Dir(filepath.Dir(d.pos.Filename))
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if err != nil {
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return nil, err
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}
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pt, err := her.Parse(d.value)
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if err != nil {
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return nil, err
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}
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root := filepath.Join(her.Module.Dir, pt.Name)
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err = filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if info.IsDir() {
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her, err = here.Dir(path)
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if err != nil {
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return err
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}
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}
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pt, err := her.Parse(path)
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if err != nil {
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return err
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}
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n := strings.TrimPrefix(path, her.Module.Dir)
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if _, ok := virtual[n]; ok {
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if info.IsDir() {
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return filepath.SkipDir
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}
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return nil
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}
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files = append(files, &File{
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Abs: path,
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Path: pt,
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Here: her,
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})
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return nil
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})
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return files, err
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}
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