pkger/parser/include.go

89 lines
1.4 KiB
Go

package parser
import (
"encoding/json"
"fmt"
"go/token"
"os"
"path/filepath"
"github.com/gobuffalo/here"
)
var _ Decl = IncludeDecl{}
type IncludeDecl struct {
file *File
pos token.Position
value string
}
func NewInclude(her here.Info, inc string) (IncludeDecl, error) {
var id IncludeDecl
pt, err := her.Parse(inc)
if err != nil {
return id, err
}
if pt.Pkg != her.ImportPath {
her, err = here.Package(pt.Pkg)
if err != nil {
return id, err
}
}
abs := filepath.Join(her.Module.Dir, pt.Name)
f := &File{
Abs: abs,
Path: pt,
Here: her,
}
return IncludeDecl{
value: inc,
file: f,
}, nil
}
func (d IncludeDecl) String() string {
return fmt.Sprintf("pkger.Include(%q)", d.value)
}
func (d IncludeDecl) MarshalJSON() ([]byte, error) {
return json.Marshal(map[string]interface{}{
"type": "pkger.Include",
"file": d.file,
"pos": d.pos,
"value": d.value,
})
}
func (d IncludeDecl) File() (*File, error) {
if d.file == nil {
return nil, os.ErrNotExist
}
return d.file, nil
}
func (d IncludeDecl) Position() (token.Position, error) {
return d.pos, nil
}
func (d IncludeDecl) Value() (string, error) {
if d.value == "" {
return "", os.ErrNotExist
}
return d.value, nil
}
func (d IncludeDecl) Files(virtual map[string]string) ([]*File, error) {
od := OpenDecl{
file: d.file,
pos: d.pos,
value: d.value,
}
return od.Files(virtual)
}