Golang rwvfs.FileSystem类代码示例

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本文整理汇总了Golang中github.com/jingweno/ccat/Godeps/_workspace/src/sourcegraph/com/sourcegraph/rwvfs.FileSystem类的典型用法代码示例。如果您正苦于以下问题：Golang FileSystem类的具体用法？Golang FileSystem怎么用？Golang FileSystem使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了FileSystem类的14个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: readIndex

// readIndex calls x.Read with the index's backing file.
func readIndex(fs rwvfs.FileSystem, name string, x persistedIndex) (err error) {
	vlog.Printf("%s: reading index...", name)
	var f vfs.ReadSeekCloser
	f, err = fs.Open(fmt.Sprintf(indexFilename, name))
	if err != nil {
		vlog.Printf("%s: failed to read index: %s.", name, err)
		if os.IsNotExist(err) {
			return &errIndexNotExist{name: name, err: err}
		}
		return err
	}
	defer func() {
		err2 := f.Close()
		if err == nil {
			err = err2
		}
	}()

	r, err := gzip.NewReader(f)
	if err != nil {
		return err
	}

	if err := x.Read(r); err != nil {
		return err
	}
	if err := r.Close(); err != nil {
		return err
	}
	vlog.Printf("%s: done reading index.", name)
	return nil
}

开发者ID:sombr，项目名称:ccat，代码行数:33，代码来源:indexed.go

示例2: writeIndex

// writeIndex calls x.Write with the index's backing file.
func writeIndex(fs rwvfs.FileSystem, name string, x persistedIndex) (err error) {
	vlog.Printf("%s: writing index...", name)
	f, err := fs.Create(fmt.Sprintf(indexFilename, name))
	if err != nil {
		return err
	}
	defer func() {
		err2 := f.Close()
		if err == nil {
			err = err2
		}
	}()

	w := gzip.NewWriter(f)

	if err := x.Write(w); err != nil {
		return err
	}
	if err := w.Flush(); err != nil {
		return err
	}
	if err := w.Close(); err != nil {
		return err
	}
	vlog.Printf("%s: done writing index.", name)
	return nil
}

开发者ID:sombr，项目名称:ccat，代码行数:28，代码来源:indexed.go

示例3: testWrite

func testWrite(t *testing.T, fs rwvfs.FileSystem, path string) {
	label := fmt.Sprintf("%T", fs)

	w, err := fs.Create(path)
	if err != nil {
		t.Fatalf("%s: WriterOpen: %s", label, err)
	}

	input := []byte("qux")
	_, err = w.Write(input)
	if err != nil {
		t.Fatalf("%s: Write: %s", label, err)
	}

	err = w.Close()
	if err != nil {
		t.Fatalf("%s: w.Close: %s", label, err)
	}

	var r io.ReadCloser
	r, err = fs.Open(path)
	if err != nil {
		t.Fatalf("%s: Open: %s", label, err)
	}
	var output []byte
	output, err = ioutil.ReadAll(r)
	if err != nil {
		t.Fatalf("%s: ReadAll: %s", label, err)
	}
	if !bytes.Equal(output, input) {
		t.Errorf("%s: got output %q, want %q", label, output, input)
	}

	r, err = fs.Open(path)
	if err != nil {
		t.Fatalf("%s: Open: %s", label, err)
	}
	output, err = ioutil.ReadAll(r)
	if err != nil {
		t.Fatalf("%s: ReadAll: %s", label, err)
	}
	if !bytes.Equal(output, input) {
		t.Errorf("%s: got output %q, want %q", label, output, input)
	}

	err = fs.Remove(path)
	if err != nil {
		t.Errorf("%s: Remove(%q): %s", label, path, err)
	}
	testPathDoesNotExist(t, label, fs, path)
}

开发者ID:sombr，项目名称:ccat，代码行数:51，代码来源:vfs_test.go

示例4: setCreateParentDirs

func setCreateParentDirs(fs rwvfs.FileSystem) {
	type createParents interface {
		CreateParentDirs(bool)
	}
	if fs, ok := fs.(createParents); ok {
		fs.CreateParentDirs(true)
	}
}

开发者ID:sombr，项目名称:ccat，代码行数:8，代码来源:store.go

示例5: testPathDoesNotExist

func testPathDoesNotExist(t *testing.T, label string, fs rwvfs.FileSystem, path string) {
	fi, err := fs.Stat(path)
	if err != nil && !os.IsNotExist(err) {
		t.Errorf("%s: Stat(%q): want os.IsNotExist-satisfying error, got %q", label, path, err)
	} else if err == nil {
		t.Errorf("%s: Stat(%q): want file to not exist, got existing file with FileInfo %+v", label, path, fi)
	}
}

开发者ID:sombr，项目名称:ccat，代码行数:8，代码来源:vfs_test.go

示例6: testIsFile

func testIsFile(t *testing.T, label string, fs rwvfs.FileSystem, path string) {
	fi, err := fs.Stat(path)
	if err != nil {
		t.Fatalf("%s: Stat(%q): %s", label, path, err)
	}

	if !fi.Mode().IsRegular() {
		t.Errorf("%s: got fs.Stat(%q) Mode().IsRegular() == false, want true", label, path)
	}
}

开发者ID:sombr，项目名称:ccat，代码行数:10，代码来源:vfs_test.go

示例7: uploadFile

func uploadFile(local vfs.FileSystem, remote rwvfs.FileSystem, path string, fi os.FileInfo, dryRun bool) error {
	kb := float64(fi.Size()) / 1024
	if GlobalOpt.Verbose || dryRun {
		log.Printf("Uploading %s (%.1fkb)", path, kb)
	}
	if dryRun {
		return nil
	}

	lf, err := local.Open(path)
	if err != nil {
		return err
	}

	if err := rwvfs.MkdirAll(remote, filepath.Dir(path)); err != nil {
		return err
	}
	rf, err := remote.Create(path)
	if err != nil {
		return err
	}
	defer func() {
		if err := rf.Close(); err != nil {
			log.Println("Error closing after error:", err)
		}
	}()

	if _, err := io.Copy(rf, lf); err != nil {
		return err
	}

	if err := rf.Close(); err != nil {
		return err
	}

	if GlobalOpt.Verbose {
		log.Printf("Uploaded %s (%.1fkb)", path, kb)
	}
	return nil
}

开发者ID:sombr，项目名称:ccat，代码行数:40，代码来源:build_data_cmds.go

示例8: fetchFile

func fetchFile(remote vfs.FileSystem, local rwvfs.FileSystem, path string, fi os.FileInfo, dryRun bool) error {
	kb := float64(fi.Size()) / 1024
	if GlobalOpt.Verbose || dryRun {
		log.Printf("Fetching %s (%.1fkb)", path, kb)
	}
	if dryRun {
		return nil
	}

	if err := rwvfs.MkdirAll(local, filepath.Dir(path)); err != nil {
		return err
	}

	rf, err := remote.Open(path)
	if err != nil {
		return fmt.Errorf("remote file: %s", err)
	}
	defer rf.Close()

	lf, err := local.Create(path)
	if err != nil {
		return fmt.Errorf("local file: %s", err)
	}
	defer lf.Close()

	if _, err := io.Copy(lf, rf); err != nil {
		return fmt.Errorf("copy from remote to local: %s", err)
	}

	if GlobalOpt.Verbose {
		log.Printf("Fetched %s (%.1fkb)", path, kb)
	}

	if err := lf.Close(); err != nil {
		return fmt.Errorf("local file: %s", err)
	}
	return nil
}

开发者ID:sombr，项目名称:ccat，代码行数:38，代码来源:build_data_cmds.go

示例9: testIsDir

func testIsDir(t *testing.T, label string, fs rwvfs.FileSystem, path string) {
	fi, err := fs.Stat(path)
	if err != nil {
		t.Fatalf("%s: Stat(%q): %s", label, path, err)
	}

	if fi == nil {
		t.Fatalf("%s: FileInfo (%q) == nil", label, path)
	}

	if !fi.IsDir() {
		t.Errorf("%s: got fs.Stat(%q) IsDir() == false, want true", label, path)
	}
}

开发者ID:sombr，项目名称:ccat，代码行数:14，代码来源:vfs_test.go

示例10: rangeReader

// rangeReader calls ioutil.ReadAll on the given byte range [start, n). It uses
// optimizations for different kinds of VFSs.
func rangeReader(fs rwvfs.FileSystem, name string, f io.ReadSeeker, start, n int64) (io.Reader, error) {
	if fs, ok := fs.(rwvfs.FetcherOpener); ok {
		// Clone f so we can parallelize it.
		var err error
		f, err = fs.OpenFetcher(name)
		if err != nil {
			return nil, err
		}
		if err := f.(rwvfs.Fetcher).Fetch(start, start+n); err != nil {
			return nil, err
		}
	}
	if _, err := f.Seek(start, 0); err != nil {
		return nil, err
	}
	return f, nil
}

开发者ID:sombr，项目名称:ccat，代码行数:19，代码来源:fs_store.go

示例11: testGlob

func testGlob(t *testing.T, fs rwvfs.FileSystem) {
	label := fmt.Sprintf("%T", fs)

	files := []string{"x/y/0.txt", "x/y/1.txt", "x/2.txt"}
	for _, file := range files {
		err := rwvfs.MkdirAll(fs, filepath.Dir(file))
		if err != nil {
			t.Fatalf("%s: MkdirAll: %s", label, err)
		}
		w, err := fs.Create(file)
		if err != nil {
			t.Errorf("%s: Create(%q): %s", label, file, err)
			return
		}
		w.Close()
	}

	globTests := []struct {
		prefix  string
		pattern string
		matches []string
	}{
		{"", "x/y/*.txt", []string{"x/y/0.txt", "x/y/1.txt"}},
		{"x/y", "x/y/*.txt", []string{"x/y/0.txt", "x/y/1.txt"}},
		{"", "x/*", []string{"x/y", "x/2.txt"}},
	}
	for _, test := range globTests {
		matches, err := rwvfs.Glob(rwvfs.Walkable(fs), test.prefix, test.pattern)
		if err != nil {
			t.Errorf("%s: Glob(prefix=%q, pattern=%q): %s", label, test.prefix, test.pattern, err)
			continue
		}
		sort.Strings(test.matches)
		sort.Strings(matches)
		if !reflect.DeepEqual(matches, test.matches) {
			t.Errorf("%s: Glob(prefix=%q, pattern=%q): got %v, want %v", label, test.prefix, test.pattern, matches, test.matches)
		}
	}
}

开发者ID:sombr，项目名称:ccat，代码行数:39，代码来源:vfs_test.go

示例12: testMkdir

func testMkdir(t *testing.T, fs rwvfs.FileSystem) {
	label := fmt.Sprintf("%T", fs)

	if strings.Contains(label, "subFS") {
		if err := fs.Mkdir("/"); err != nil && !os.IsExist(err) {
			t.Fatalf("%s: subFS Mkdir(/): %s", label, err)
		}
	}
	if strings.Contains(label, "mapFS") {
		if err := fs.Mkdir("/"); err != nil && !os.IsExist(err) {
			t.Fatalf("%s: mapFS Mkdir(/): %s", label, err)
		}
	}

	fi, err := fs.Stat(".")
	if err != nil {
		t.Fatalf("%s: Stat(.): %s", label, err)
	}
	if !fi.Mode().IsDir() {
		t.Fatalf("%s: got Stat(.) FileMode %o, want IsDir", label, fi.Mode())
	}

	fi, err = fs.Stat("/")
	if err != nil {
		t.Fatalf("%s: Stat(/): %s", label, err)
	}
	if !fi.Mode().IsDir() {
		t.Fatalf("%s: got Stat(/) FileMode %o, want IsDir", label, fi.Mode())
	}

	if _, err := fs.ReadDir("."); err != nil {
		t.Fatalf("%s: ReadDir(.): %s", label, err)
	}
	if _, err := fs.ReadDir("/"); err != nil {
		t.Fatalf("%s: ReadDir(/): %s", label, err)
	}

	fis, err := fs.ReadDir("/")
	if err != nil {
		t.Fatalf("%s: ReadDir(/): %s", label, err)
	}
	if len(fis) != 0 {
		t.Fatalf("%s: ReadDir(/): got %d file infos (%v), want none (is it including .?)", label, len(fis), fis)
	}

	err = fs.Mkdir("dir0")
	if err != nil {
		t.Fatalf("%s: Mkdir(dir0): %s", label, err)
	}
	testIsDir(t, label, fs, "dir0")
	testIsDir(t, label, fs, "/dir0")

	err = fs.Mkdir("/dir1")
	if err != nil {
		t.Fatalf("%s: Mkdir(/dir1): %s", label, err)
	}
	testIsDir(t, label, fs, "dir1")
	testIsDir(t, label, fs, "/dir1")

	err = fs.Mkdir("/dir1")
	if !os.IsExist(err) {
		t.Errorf("%s: Mkdir(/dir1) again: got err %v, want os.IsExist-satisfying error", label, err)
	}

	err = fs.Mkdir("/parent-doesnt-exist/dir2")
	if !os.IsNotExist(err) {
		t.Errorf("%s: Mkdir(/parent-doesnt-exist/dir2): got error %v, want os.IsNotExist-satisfying error", label, err)
	}

	err = fs.Remove("/dir1")
	if err != nil {
		t.Errorf("%s: Remove(/dir1): %s", label, err)
	}
	testPathDoesNotExist(t, label, fs, "/dir1")
}

开发者ID:sombr，项目名称:ccat，代码行数:75，代码来源:vfs_test.go

示例13: statIndex

// statIndex calls fs.Stat on the index's backing file or dir.
func statIndex(fs rwvfs.FileSystem, name string) (os.FileInfo, error) {
	return fs.Stat(fmt.Sprintf(indexFilename, name))
}

开发者ID:sombr，项目名称:ccat，代码行数:4，代码来源:indexed.go

示例14: openFetcherOrOpen

// openFetcher calls fs.OpenFetcher if it implemented the
// FetcherOpener interface; otherwise it calls fs.Open.
func openFetcherOrOpen(fs rwvfs.FileSystem, name string) (vfs.ReadSeekCloser, error) {
	if fo, ok := fs.(rwvfs.FetcherOpener); ok {
		return fo.OpenFetcher(name)
	}
	return fs.Open(name)
}

开发者ID:sombr，项目名称:ccat，代码行数:8，代码来源:fs_store.go

注：本文中的github.com/jingweno/ccat/Godeps/_workspace/src/sourcegraph/com/sourcegraph/rwvfs.FileSystem类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。