68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
// Copyright 2013 Unknown
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//
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// Licensed under the Apache License, Version 2.0 (the "License"): you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations
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// under the License.
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package zip
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import (
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"archive/zip"
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"os"
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"strings"
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)
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// OpenFile is the generalized open call; most users will use Open
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// instead. It opens the named zip file with specified flag
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// (O_RDONLY etc.) if applicable. If successful,
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// methods on the returned ZipArchive can be used for I/O.
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// If there is an error, it will be of type *PathError.
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func (z *ZipArchive) Open(name string, flag int, perm os.FileMode) error {
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// Create a new archive if it's specified and not exist.
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if flag&os.O_CREATE != 0 {
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f, err := os.Create(name)
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if err != nil {
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return err
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}
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zw := zip.NewWriter(f)
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if err = zw.Close(); err != nil {
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return err
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}
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}
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rc, err := zip.OpenReader(name)
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if err != nil {
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return err
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}
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z.ReadCloser = rc
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z.FileName = name
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z.Comment = rc.Comment
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z.NumFiles = len(rc.File)
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z.Flag = flag
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z.Permission = perm
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z.isHasChanged = false
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z.files = make([]*File, z.NumFiles)
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for i, f := range rc.File {
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z.files[i] = &File{}
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z.files[i].FileHeader, err = zip.FileInfoHeader(f.FileInfo())
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if err != nil {
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return err
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}
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z.files[i].Name = strings.Replace(f.Name, "\\", "/", -1)
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if f.FileInfo().IsDir() && !strings.HasSuffix(z.files[i].Name, "/") {
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z.files[i].Name += "/"
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}
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}
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return nil
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}
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