blob: 98c8c0b0f58c77eb3709628797f1be4a1e1fd44b [file] [log] [blame]
// Copyright 2013 The Go Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd.
package gosrc
import (
"bytes"
"go/build"
"io"
"io/ioutil"
"os"
"path"
"strings"
"time"
)
// Import returns details about the package in the directory.
func (dir *Directory) Import(ctx *build.Context, mode build.ImportMode) (*build.Package, error) {
safeCopy := *ctx
ctx = &safeCopy
ctx.JoinPath = path.Join
ctx.IsAbsPath = path.IsAbs
ctx.SplitPathList = func(list string) []string { return strings.Split(list, ":") }
ctx.IsDir = func(path string) bool { return path == "." }
ctx.HasSubdir = func(root, dir string) (rel string, ok bool) { return "", false }
ctx.ReadDir = dir.readDir
ctx.OpenFile = dir.openFile
return ctx.ImportDir(".", mode)
}
type fileInfo struct{ f *File }
func (fi fileInfo) Name() string { return fi.f.Name }
func (fi fileInfo) Size() int64 { return int64(len(fi.f.Data)) }
func (fi fileInfo) Mode() os.FileMode { return 0 }
func (fi fileInfo) ModTime() time.Time { return time.Time{} }
func (fi fileInfo) IsDir() bool { return false }
func (fi fileInfo) Sys() interface{} { return nil }
func (dir *Directory) readDir(name string) ([]os.FileInfo, error) {
if name != "." {
return nil, os.ErrNotExist
}
fis := make([]os.FileInfo, len(dir.Files))
for i, f := range dir.Files {
fis[i] = fileInfo{f}
}
return fis, nil
}
func (dir *Directory) openFile(path string) (io.ReadCloser, error) {
name := strings.TrimPrefix(path, "./")
for _, f := range dir.Files {
if f.Name == name {
return ioutil.NopCloser(bytes.NewReader(f.Data)), nil
}
}
return nil, os.ErrNotExist
}