mirror of
https://github.com/AlexxIT/go2rtc.git
synced 2025-10-31 11:46:26 +08:00
56 lines
1.0 KiB
Go
56 lines
1.0 KiB
Go
package core
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import (
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cryptorand "crypto/rand"
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"github.com/rs/zerolog/log"
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"runtime"
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"strconv"
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"strings"
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)
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const symbols = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_"
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// RandString base10 - numbers, base16 - hex, base36 - digits+letters, base64 - URL safe symbols
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func RandString(size, base byte) string {
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b := make([]byte, size)
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if _, err := cryptorand.Read(b); err != nil {
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panic(err)
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}
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for i := byte(0); i < size; i++ {
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b[i] = symbols[b[i]%base]
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}
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return string(b)
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}
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func Between(s, sub1, sub2 string) string {
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i := strings.Index(s, sub1)
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if i < 0 {
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return ""
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}
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s = s[i+len(sub1):]
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if len(sub2) == 1 {
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i = strings.IndexByte(s, sub2[0])
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} else {
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i = strings.Index(s, sub2)
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}
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if i >= 0 {
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return s[:i]
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}
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return s
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}
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func Assert(ok bool) {
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if !ok {
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_, file, line, _ := runtime.Caller(1)
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panic(file + ":" + strconv.Itoa(line))
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}
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}
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func Caller() string {
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log.Error().Caller(0).Send()
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_, file, line, _ := runtime.Caller(1)
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return file + ":" + strconv.Itoa(line)
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}
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