75 lines
1.8 KiB
Go
75 lines
1.8 KiB
Go
/*
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* Copyright (c) 2013-2021 Utkan Güngördü <utkan@freeconsole.org>
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* Copyright (c) 2021-2024 Piotr Grabowski
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package archive
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import (
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"errors"
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"os"
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"path/filepath"
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"strings"
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"github.com/fauu/gomicsv/pagecache"
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"github.com/fauu/gomicsv/util"
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"github.com/gotk3/gotk3/gdk"
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)
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var (
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ErrBounds = errors.New("Image index out of bounds.")
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)
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type Archive interface {
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Load(i int, autorotate bool, nPreload int) (*gdk.Pixbuf, error)
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Kind() Kind
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ArchiveName() string
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Name(i int) (string, error)
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Len() *int // nil represents unknown length
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Close() error
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}
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const (
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MaxArchiveEntries = 4096 * 64
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)
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func NewArchive(path string, pageCache *pagecache.PageCache, httpReferer string) (Archive, error) {
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if util.IsLikelyHTTPURL(path) {
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return NewHTTP(path, pageCache, httpReferer)
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}
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f, err := os.Stat(path)
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if err != nil {
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return nil, err
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}
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if f.IsDir() {
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return NewDir(path)
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}
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ext := strings.ToLower(filepath.Ext(path))[1:]
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switch ext {
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case "zip", "cbz":
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return NewZip(path)
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case "rar":
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return NewRar(path)
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case "7z", "tar", "tgz", "gz", "tbz2", "cb7", "cbr", "cbt", "lha":
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return nil, errors.New("Archive type not supported, please unpack it first")
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}
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return nil, errors.New("Unknown archive type")
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}
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