50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
package strm
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import (
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"os"
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"path/filepath"
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"strings"
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)
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const MaxPathComponentBytes = 255
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const (
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pathTooLongDirReason = "目录名超过255字节，该目录及其内容已跳过"
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pathTooLongFileReason = "文件名超过255字节，已跳过"
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)
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func pathHasOversizedComponent(path string) bool {
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_, _, ok := oversizedPathFailure(path, false)
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return ok
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}
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// oversizedPathFailure 返回首个超长路径分量及面向用户的跳过原因。
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func oversizedPathFailure(path string, targetIsDir bool) (string, string, bool) {
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clean := filepath.Clean(path)
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parts := strings.Split(clean, string(os.PathSeparator))
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visible := make([]string, 0, len(parts))
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for i, part := range parts {
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if part == "" || part == "." {
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continue
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}
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visible = append(visible, part)
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if len([]byte(part)) <= MaxPathComponentBytes {
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continue
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}
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reason := pathTooLongFileReason
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if targetIsDir || i < len(parts)-1 {
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reason = pathTooLongDirReason
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}
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return filepath.Join(visible...), reason, true
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}
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return "", "", false
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}
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func addOversizedPathFailure(failures *FailureCollector, kind ScanFailureKind, relPath string, targetIsDir bool) bool {
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failurePath, reason, oversized := oversizedPathFailure(relPath, targetIsDir)
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if oversized && failures != nil {
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failures.Add(kind, filepath.ToSlash(failurePath), reason)
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}
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return oversized
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}
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