48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
package tmpfile
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import (
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"math/rand"
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"os"
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"strings"
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"git.burning.moe/celediel/agedit/pkg/env"
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)
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const chars string = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"
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type Generator struct {
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Prefix, Suffix string
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Length int
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}
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// GenerateName generates a random temporary filename like agedit_geef0XYC30RGV
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func (g *Generator) GenerateName() string {
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return g.Prefix + randomString(chars, g.Length) + g.Suffix
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}
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// GenerateFullPath generates a random temporary filename and appends it to the OS's temporary directory
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func (g *Generator) GenerateFullPath() string {
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return env.GetTempDirectory() + string(os.PathSeparator) + g.GenerateName()
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}
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// NewGenerator returns a new Generator
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func NewGenerator(prefix, suffix string, length int) Generator {
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return Generator{
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Prefix: prefix,
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Suffix: suffix,
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Length: length,
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}
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}
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func randomString(set string, length int) string {
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out := strings.Builder{}
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for range length {
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out.WriteByte(randomChar(set))
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}
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return out.String()
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}
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func randomChar(set string) byte {
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return set[rand.Intn(len(set))]
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}
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