forked from p53841790/wheat-cache
32 lines
730 B
Go
32 lines
730 B
Go
package util
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import (
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"regexp"
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"strconv"
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"strings"
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"gitee.com/wheat-os/wheatCache/pkg/errorx"
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)
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// ParseSizeToBit
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// 支持MB, GB, KB, 格式 "5KB" 或者 "5kb"等等
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func ParseSizeToBit(size string) (int64, error) {
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sizes := regexp.MustCompile("^\\d+")
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sizeRes := sizes.FindAllString(size, 1)
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unit := strings.Split(size, sizeRes[0])
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Res, _ := strconv.ParseInt(sizeRes[0], 10, 64)
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sizeType := strings.ToUpper(unit[1])
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switch {
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case sizeType == "BIT" || sizeType == "B":
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return Res, nil
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case sizeType == "KB":
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return Res * 1024, nil
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case sizeType == "MB":
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return Res * 1024 * 1024, nil
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case sizeType == "GB":
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return Res * 1024 * 1024 * 1024, nil
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default:
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return 0, errorx.New("your size is wrong")
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}
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}
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