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Simplify convention

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Him188 2020-02-29 18:04:39 +08:00
parent 1e9b34a636
commit fb5b52415c
1 changed files with 20 additions and 9 deletions
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29
mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/io/conversion.kt
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@ -35,10 +35,10 @@ fun Short.toByteArray(): ByteArray = with(toInt()) {
* 255 -> 00 00 00 FF
*/
fun Int.toByteArray(): ByteArray = byteArrayOf(
(shr(24) and 0xFF).toByte(),
(shr(16) and 0xFF).toByte(),
(shr(8) and 0xFF).toByte(),
(shr(0) and 0xFF).toByte()
ushr(24).toByte(),
ushr(16).toByte(),
ushr(8).toByte(),
ushr(0).toByte()
)
/**
@ -114,7 +114,8 @@ fun Byte.fixToUHex(): String = this.toUByte().fixToUHex()
/**
* 转无符号十六进制表示, 并补充首位 `0`.
*/
fun UByte.fixToUHex(): String = if (this.toInt() in 0..15) "0${this.toString(16).toUpperCase()}" else this.toString(16).toUpperCase()
fun UByte.fixToUHex(): String =
if (this.toInt() in 0..15) "0${this.toString(16).toUpperCase()}" else this.toString(16).toUpperCase()
/**
* 将无符号 Hex 转为 [ByteArray], 有根据 hex 的 [hashCode] 建立的缓存.
@ -143,7 +144,9 @@ fun String.chunkedHexToBytes(): ByteArray =
* 这个方法很累, 不建议经常使用.
*/
fun String.autoHexToBytes(): ByteArray =
this.replace("\n", "").replace(" ", "").asSequence().chunked(2).map { (it[0].toString() + it[1]).toUByte(16).toByte() }.toList().toByteArray()
this.replace("\n", "").replace(" ", "").asSequence().chunked(2).map {
(it[0].toString() + it[1]).toUByte(16).toByte()
}.toList().toByteArray()
/**
* 将无符号 Hex 转为 [UByteArray], 有根据 hex 的 [hashCode] 建立的缓存.
@ -188,16 +191,24 @@ fun getRandomString(length: Int, vararg charRanges: CharRange): String =
* 本函数将 4 个 [Byte] 的 bits 连接得到 [Int]
*/
fun ByteArray.toUInt(): UInt =
(this[0].toUInt().and(255u) shl 24) + (this[1].toUInt().and(255u) shl 16) + (this[2].toUInt().and(255u) shl 8) + (this[3].toUInt().and(255u) shl 0)
(this[0].toUInt().and(255u) shl 24) + (this[1].toUInt().and(255u) shl 16) + (this[2].toUInt().and(255u) shl 8) + (this[3].toUInt().and(
255u
) shl 0)
fun ByteArray.toUShort(): UShort =
((this[0].toUInt().and(255u) shl 8) + (this[1].toUInt().and(255u) shl 0)).toUShort()
fun ByteArray.toInt(): Int =
(this[0].toInt().and(255) shl 24) + (this[1].toInt().and(255) shl 16) + (this[2].toInt().and(255) shl 8) + (this[3].toInt().and(255) shl 0)
(this[0].toInt().and(255) shl 24) + (this[1].toInt().and(255) shl 16) + (this[2].toInt().and(255) shl 8) + (this[3].toInt().and(
255
) shl 0)
/**
* 从 [IoBuffer.Pool] [borrow][ObjectPool.borrow] 一个 [IoBuffer] 然后将 [this] 写入.
* 注意回收 ([ObjectPool.recycle])
*/
fun ByteArray.toIoBuffer(offset: Int = 0, length: Int = this.size - offset, pool: ObjectPool<IoBuffer> = IoBuffer.Pool): IoBuffer = pool.borrow().let { it.writeFully(this, offset, length); it }
fun ByteArray.toIoBuffer(
offset: Int = 0,
length: Int = this.size - offset,
pool: ObjectPool<IoBuffer> = IoBuffer.Pool
): IoBuffer = pool.borrow().let { it.writeFully(this, offset, length); it }