From 7045d77c7d914147bdc7fd04bbe2bfe2385a82c9 Mon Sep 17 00:00:00 2001
From: tursom <tursom@foxmail.com>
Date: Tue, 13 Jul 2021 21:00:11 +0800
Subject: [PATCH] add skip

---
 .../cn/tursom/core/buffer/ByteBuffer.kt       |  4 ++++
 .../kotlin/cn/tursom/core/buffer/serialize.kt | 24 +++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/ts-core/ts-buffer/src/main/kotlin/cn/tursom/core/buffer/ByteBuffer.kt b/ts-core/ts-buffer/src/main/kotlin/cn/tursom/core/buffer/ByteBuffer.kt
index 2aaddbd..49144f7 100644
--- a/ts-core/ts-buffer/src/main/kotlin/cn/tursom/core/buffer/ByteBuffer.kt
+++ b/ts-core/ts-buffer/src/main/kotlin/cn/tursom/core/buffer/ByteBuffer.kt
@@ -89,6 +89,10 @@ interface ByteBuffer : Closeable {
     writePosition = 0
   }
 
+  fun skip(n: Int) {
+    readPosition += n
+  }
+
   fun get(): Byte = read { it.get() }
   fun getChar(byteOrder: ByteOrder = ByteOrder.nativeOrder()): Char = read { it.char }
   fun getShort(byteOrder: ByteOrder = ByteOrder.nativeOrder()): Short = read { it.short }
diff --git a/ts-core/ts-buffer/src/main/kotlin/cn/tursom/core/buffer/serialize.kt b/ts-core/ts-buffer/src/main/kotlin/cn/tursom/core/buffer/serialize.kt
index 7358435..03f66eb 100644
--- a/ts-core/ts-buffer/src/main/kotlin/cn/tursom/core/buffer/serialize.kt
+++ b/ts-core/ts-buffer/src/main/kotlin/cn/tursom/core/buffer/serialize.kt
@@ -11,6 +11,8 @@ package cn.tursom.core.buffer
 
 import cn.tursom.core.Unsafe.unsafe
 import cn.tursom.core.isStatic
+import cn.tursom.core.toInt
+import java.nio.ByteOrder
 
 class UnsupportedException : Exception()
 
@@ -206,3 +208,25 @@ fun <T> ByteBuffer.unSerialize(clazz: Class<T>): T {
 inline fun <reified T : Any> ByteBuffer.unSerialize(): T {
   return unSerialize(T::class.java)
 }
+
+fun ByteBuffer.getIntWithSize(size: Int, byteOrder: ByteOrder = ByteOrder.nativeOrder()): Int {
+  var time = 4
+  return toInt(byteOrder) {
+    if (--time < size) {
+      get()
+    } else {
+      0
+    }
+  }
+}
+
+fun ByteBuffer.getLongWithSize(size: Int, byteOrder: ByteOrder = ByteOrder.nativeOrder()): Int {
+  var time = 8
+  return toInt(byteOrder) {
+    if (--time < size) {
+      get()
+    } else {
+      0
+    }
+  }
+}