49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
package filesystem
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import (
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"io"
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"os"
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"path/filepath"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2loader/asset"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2loader/asset/types"
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)
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// static check that Source implements AssetSource
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var _ asset.Source = &Source{}
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// Source represents an asset source which is a normal directory on the host file system
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type Source struct {
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Root string
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}
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// Type returns the type of this asset source
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func (s *Source) Type() types.SourceType {
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return types.AssetSourceFileSystem
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}
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// Open opens a file with the given sub-path within the Root dir of the file system source
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func (s *Source) Open(subPath string) (io.ReadSeeker, error) {
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return os.Open(s.fullPath(subPath))
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}
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// Exists returns true if the file exists
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func (s *Source) Exists(subPath string) bool {
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_, err := os.Stat(s.fullPath(subPath))
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return os.IsExist(err)
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}
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func (s *Source) fullPath(subPath string) string {
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return filepath.Clean(filepath.Join(s.Root, subPath))
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}
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// Path returns the Root dir of this file system source
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func (s *Source) Path() string {
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return s.Root
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}
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// String returns the path
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func (s *Source) String() string {
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return s.Path()
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}
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