trailblazer2/app/encode/encode.go

package encode

//func XEncode(str string, key string) string {
//
//}

func s(origin string, b bool) (result []int32) {
	data := []int32(origin)
	dataLen := len(origin)

	resultLen := (dataLen / 4) + 1
	if b {
		result = make([]int32, resultLen+1)
		result[resultLen] = int32(resultLen)
	} else {
		result = make([]int32, resultLen)
	}

	for i := 0; i < dataLen; i += 4 {
		result[i>>2] = get(data, i, dataLen) | get(data, i+1, dataLen)<<8 | get(data, i+2, dataLen)<<16 | get(data, i+3, dataLen)<<24
	}

	return result
}

//
//func l(a string, b bool) (result []int32) {
//	d := len(a)
//	data := []int32(a)
//
//	c := d - 1<<2
//
//	if b {
//		m := int(data[d-1])
//		if m < c-3 || m > c {
//			return nil
//		}
//		c = m
//	}
//}

func get(data []int32, index int, length int) int32 {
	if index >= length {
		return 0
	} else {
		return data[index]
	}
}