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64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
// Package utils provides utilities that is used in all codes in verysimple
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package utils
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import (
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"errors"
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"flag"
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"math/rand"
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"strings"
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"time"
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"github.com/BurntSushi/toml"
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)
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func init() {
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//保证我们随机种子每次都不一样, 这样可以保证go test中使用随机端口时, 不同的test会使用不同的端口, 防止端口冲突
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// 因为我们所有的包应该都引用了 utils包, 所以可以保证这一点.
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rand.Seed(time.Now().Unix())
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}
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type ByteReader interface {
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ReadByte() (byte, error)
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Read(p []byte) (n int, err error)
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}
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func IsFlagPassed(name string) bool {
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found := false
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flag.Visit(func(f *flag.Flag) {
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if f.Name == name {
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found = true
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}
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})
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return found
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}
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//移除 = "" 和 = false 的项
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func GetPurgedTomlStr(v any) (string, error) {
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buf := GetBuf()
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defer PutBuf(buf)
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if err := toml.NewEncoder(buf).Encode(v); err != nil {
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return "", err
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}
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lines := strings.Split(buf.String(), "\n")
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var sb strings.Builder
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for _, l := range lines {
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if !strings.HasSuffix(l, ` = ""`) && !strings.HasSuffix(l, ` = false`) {
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sb.WriteString(l)
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sb.WriteByte('\n')
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}
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}
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return sb.String(), nil
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}
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func WrapFuncForPromptUI(f func(string) bool) func(string) error {
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return func(s string) error {
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if f(s) {
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return nil
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}
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return errors.New("not valid")
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}
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}
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