init

filename_windows.go

@@ -0,0 +1,38 @@
+//go:build windows
+
+package main
+
+import (
+	"path/filepath"
+	"regexp"
+	"unicode/utf8"
+)
+
+// 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
+const maxPathRunes = 250
+
+// 转换文件名和限制文件名长度，添加保存文件夹的路径
+func transFilename(filename string) string {
+	// 转换文件名不允许的特殊字符
+	re := regexp.MustCompile(`[<>:"/\\|?*\r\n]`)
+	filename = re.ReplaceAllString(filename, "-")
+	dir := recordingDir()
+	outFilename := filepath.Join(dir, filename)
+	if utf8.RuneCountInString(outFilename) <= maxPathRunes {
+		return outFilename
+	}
+
+	// 路径过长时截断文件名而不是直接放弃录制
+	keep := maxPathRunes - utf8.RuneCountInString(dir) - 2
+	if keep < 10 {
+		lPrintErrf("保存文件夹的路径太长，无法生成文件名：%s", dir)
+		return ""
+	}
+	runes := []rune(filename)
+	if len(runes) > keep {
+		runes = runes[:keep]
+	}
+	outFilename = filepath.Join(dir, string(runes))
+	lPrintWarnf("文件名过长，已截断为 %s", filepath.Base(outFilename))
+	return outFilename
+}