aboutsummaryrefslogtreecommitdiff
path: root/vendor/github.com/Unknwon/cae/zip/zip.go
diff options
context:
space:
mode:
authorUnknwon <u@gogs.io>2017-02-09 19:48:13 -0500
committerUnknwon <u@gogs.io>2017-02-09 19:48:13 -0500
commit2fd69f13d9599a6c58b47225565163fd7d87889f (patch)
treefd19e868e1c2e95a5fb83a268f6e393669d6ee79 /vendor/github.com/Unknwon/cae/zip/zip.go
parenteb66060cd7b9bce996b1d75ae80ce1ef31d5ce62 (diff)
vendor: check in vendors
Bye bye glide...
Diffstat (limited to 'vendor/github.com/Unknwon/cae/zip/zip.go')
-rw-r--r--vendor/github.com/Unknwon/cae/zip/zip.go238
1 files changed, 238 insertions, 0 deletions
diff --git a/vendor/github.com/Unknwon/cae/zip/zip.go b/vendor/github.com/Unknwon/cae/zip/zip.go
new file mode 100644
index 00000000..21086f82
--- /dev/null
+++ b/vendor/github.com/Unknwon/cae/zip/zip.go
@@ -0,0 +1,238 @@
+// Copyright 2013 Unknown
+//
+// Licensed under the Apache License, Version 2.0 (the "License"): you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations
+// under the License.
+
+// Package zip enables you to transparently read or write ZIP compressed archives and the files inside them.
+package zip
+
+import (
+ "archive/zip"
+ "errors"
+ "io"
+ "os"
+ "path"
+ "strings"
+
+ "github.com/Unknwon/cae"
+)
+
+// A File represents a file or directory entry in archive.
+type File struct {
+ *zip.FileHeader
+ oldName string // NOTE: unused, for future change name feature.
+ oldComment string // NOTE: unused, for future change comment feature.
+ absPath string // Absolute path of local file system.
+ tmpPath string
+}
+
+// A ZipArchive represents a file archive, compressed with Zip.
+type ZipArchive struct {
+ *zip.ReadCloser
+ FileName string
+ Comment string
+ NumFiles int
+ Flag int
+ Permission os.FileMode
+
+ files []*File
+ isHasChanged bool
+
+ // For supporting flushing to io.Writer.
+ writer io.Writer
+ isHasWriter bool
+}
+
+// OpenFile is the generalized open call; most users will use Open
+// instead. It opens the named zip file with specified flag
+// (O_RDONLY etc.) if applicable. If successful,
+// methods on the returned ZipArchive can be used for I/O.
+// If there is an error, it will be of type *PathError.
+func OpenFile(name string, flag int, perm os.FileMode) (*ZipArchive, error) {
+ z := new(ZipArchive)
+ err := z.Open(name, flag, perm)
+ return z, err
+}
+
+// Create creates the named zip file, truncating
+// it if it already exists. If successful, methods on the returned
+// ZipArchive can be used for I/O; the associated file descriptor has mode
+// O_RDWR.
+// If there is an error, it will be of type *PathError.
+func Create(name string) (*ZipArchive, error) {
+ os.MkdirAll(path.Dir(name), os.ModePerm)
+ return OpenFile(name, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0666)
+}
+
+// Open opens the named zip file for reading. If successful, methods on
+// the returned ZipArchive can be used for reading; the associated file
+// descriptor has mode O_RDONLY.
+// If there is an error, it will be of type *PathError.
+func Open(name string) (*ZipArchive, error) {
+ return OpenFile(name, os.O_RDONLY, 0)
+}
+
+// New accepts a variable that implemented interface io.Writer
+// for write-only purpose operations.
+func New(w io.Writer) *ZipArchive {
+ return &ZipArchive{
+ writer: w,
+ isHasWriter: true,
+ }
+}
+
+// List returns a string slice of files' name in ZipArchive.
+// Specify prefixes will be used as filters.
+func (z *ZipArchive) List(prefixes ...string) []string {
+ isHasPrefix := len(prefixes) > 0
+ names := make([]string, 0, z.NumFiles)
+ for _, f := range z.files {
+ if isHasPrefix && !cae.HasPrefix(f.Name, prefixes) {
+ continue
+ }
+ names = append(names, f.Name)
+ }
+ return names
+}
+
+// AddEmptyDir adds a raw directory entry to ZipArchive,
+// it returns false if same directory enry already existed.
+func (z *ZipArchive) AddEmptyDir(dirPath string) bool {
+ dirPath = strings.Replace(dirPath, "\\", "/", -1)
+
+ if !strings.HasSuffix(dirPath, "/") {
+ dirPath += "/"
+ }
+
+ for _, f := range z.files {
+ if dirPath == f.Name {
+ return false
+ }
+ }
+
+ dirPath = strings.TrimSuffix(dirPath, "/")
+ if strings.Contains(dirPath, "/") {
+ // Auto add all upper level directories.
+ z.AddEmptyDir(path.Dir(dirPath))
+ }
+ z.files = append(z.files, &File{
+ FileHeader: &zip.FileHeader{
+ Name: dirPath + "/",
+ UncompressedSize: 0,
+ },
+ })
+ z.updateStat()
+ return true
+}
+
+// AddDir adds a directory and subdirectories entries to ZipArchive.
+func (z *ZipArchive) AddDir(dirPath, absPath string) error {
+ dir, err := os.Open(absPath)
+ if err != nil {
+ return err
+ }
+ defer dir.Close()
+
+ // Make sure we have all upper level directories.
+ z.AddEmptyDir(dirPath)
+
+ fis, err := dir.Readdir(0)
+ if err != nil {
+ return err
+ }
+ for _, fi := range fis {
+ curPath := absPath + "/" + fi.Name()
+ tmpRecPath := path.Join(dirPath, fi.Name())
+ if fi.IsDir() {
+ if err = z.AddDir(tmpRecPath, curPath); err != nil {
+ return err
+ }
+ } else {
+ if err = z.AddFile(tmpRecPath, curPath); err != nil {
+ return err
+ }
+ }
+ }
+ return nil
+}
+
+// updateStat should be called after every change for rebuilding statistic.
+func (z *ZipArchive) updateStat() {
+ z.NumFiles = len(z.files)
+ z.isHasChanged = true
+}
+
+// AddFile adds a file entry to ZipArchive.
+func (z *ZipArchive) AddFile(fileName, absPath string) error {
+ fileName = strings.Replace(fileName, "\\", "/", -1)
+ absPath = strings.Replace(absPath, "\\", "/", -1)
+
+ if cae.IsFilter(absPath) {
+ return nil
+ }
+
+ f, err := os.Open(absPath)
+ if err != nil {
+ return err
+ }
+ defer f.Close()
+
+ fi, err := f.Stat()
+ if err != nil {
+ return err
+ }
+
+ file := new(File)
+ file.FileHeader, err = zip.FileInfoHeader(fi)
+ if err != nil {
+ return err
+ }
+ file.Name = fileName
+ file.absPath = absPath
+
+ z.AddEmptyDir(path.Dir(fileName))
+
+ isExist := false
+ for _, f := range z.files {
+ if fileName == f.Name {
+ f = file
+ isExist = true
+ break
+ }
+ }
+ if !isExist {
+ z.files = append(z.files, file)
+ }
+
+ z.updateStat()
+ return nil
+}
+
+// DeleteIndex deletes an entry in the archive by its index.
+func (z *ZipArchive) DeleteIndex(idx int) error {
+ if idx >= z.NumFiles {
+ return errors.New("index out of range of number of files")
+ }
+
+ z.files = append(z.files[:idx], z.files[idx+1:]...)
+ return nil
+}
+
+// DeleteName deletes an entry in the archive by its name.
+func (z *ZipArchive) DeleteName(name string) error {
+ for i, f := range z.files {
+ if f.Name == name {
+ return z.DeleteIndex(i)
+ }
+ }
+ return errors.New("entry with given name not found")
+}