39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
//go:build windows
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package main
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import (
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"path/filepath"
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"regexp"
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"unicode/utf8"
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)
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// windows 下全路径的字符数上限，留几个字符给后面追加的扩展名
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const maxPathRunes = 250
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// 转换文件名和限制文件名长度，添加保存文件夹的路径
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func transFilename(filename string) string {
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// 转换文件名不允许的特殊字符
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re := regexp.MustCompile(`[<>:"/\\|?*\r\n]`)
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filename = re.ReplaceAllString(filename, "-")
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dir := recordingDir()
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outFilename := filepath.Join(dir, filename)
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if utf8.RuneCountInString(outFilename) <= maxPathRunes {
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return outFilename
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}
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// 路径过长时截断文件名而不是直接放弃录制
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keep := maxPathRunes - utf8.RuneCountInString(dir) - 2
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if keep < 10 {
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lPrintErrf("保存文件夹的路径太长，无法生成文件名：%s", dir)
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return ""
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}
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runes := []rune(filename)
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if len(runes) > keep {
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runes = runes[:keep]
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}
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outFilename = filepath.Join(dir, string(runes))
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lPrintWarnf("文件名过长，已截断为 %s", filepath.Base(outFilename))
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return outFilename
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}
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