From: James Halliday <mail@substack.net>
Date: Wed, 11 Dec 2013 01:16:45 +0000 (-0800)
Subject: use the typedarray DataView and ArrayBuffer
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=143cfd6770bd5d4537ec582237fff53c8e86ca0f;p=buffer.git

use the typedarray DataView and ArrayBuffer
---

diff --git a/index.js b/index.js
index 6a14f49..f1dcaec 100644
--- a/index.js
+++ b/index.js
@@ -413,7 +413,7 @@ function _readUInt16 (buf, offset, littleEndian, noAssert) {
   if (offset >= len) {
     return
   } else if (offset + 1 === len) {
-    var dv = new DataView(new ArrayBuffer(2))
+    var dv = new xDataView(new xArrayBuffer(2))
     dv.setUint8(0, buf[len - 1])
     return dv.getUint16(0, littleEndian)
   } else {
@@ -441,7 +441,7 @@ function _readUInt32 (buf, offset, littleEndian, noAssert) {
   if (offset >= len) {
     return
   } else if (offset + 3 >= len) {
-    var dv = new DataView(new ArrayBuffer(4))
+    var dv = new xDataView(new xArrayBuffer(4))
     for (var i = 0; i + offset < len; i++) {
       dv.setUint8(i, buf[i + offset])
     }
@@ -486,7 +486,7 @@ function _readInt16 (buf, offset, littleEndian, noAssert) {
   if (offset >= len) {
     return
   } else if (offset + 1 === len) {
-    var dv = new DataView(new ArrayBuffer(2))
+    var dv = new xDataView(new xArrayBuffer(2))
     dv.setUint8(0, buf[len - 1])
     return dv.getInt16(0, littleEndian)
   } else {
@@ -514,7 +514,7 @@ function _readInt32 (buf, offset, littleEndian, noAssert) {
   if (offset >= len) {
     return
   } else if (offset + 3 >= len) {
-    var dv = new DataView(new ArrayBuffer(4))
+    var dv = new xDataView(new xArrayBuffer(4))
     for (var i = 0; i + offset < len; i++) {
       dv.setUint8(i, buf[i + offset])
     }
@@ -596,7 +596,7 @@ function _writeUInt16 (buf, value, offset, littleEndian, noAssert) {
   if (offset >= len) {
     return
   } else if (offset + 1 === len) {
-    var dv = new DataView(new ArrayBuffer(2))
+    var dv = new xDataView(new xArrayBuffer(2))
     dv.setUint16(0, value, littleEndian)
     buf[offset] = dv.getUint8(0)
   } else {
@@ -626,7 +626,7 @@ function _writeUInt32 (buf, value, offset, littleEndian, noAssert) {
   if (offset >= len) {
     return
   } else if (offset + 3 >= len) {
-    var dv = new DataView(new ArrayBuffer(4))
+    var dv = new xDataView(new xArrayBuffer(4))
     dv.setUint32(0, value, littleEndian)
     for (var i = 0; i + offset < len; i++) {
       buf[i + offset] = dv.getUint8(i)
@@ -672,7 +672,7 @@ function _writeInt16 (buf, value, offset, littleEndian, noAssert) {
   if (offset >= len) {
     return
   } else if (offset + 1 === len) {
-    var dv = new DataView(new ArrayBuffer(2))
+    var dv = new xDataView(new xArrayBuffer(2))
     dv.setInt16(0, value, littleEndian)
     buf[offset] = dv.getUint8(0)
   } else {
@@ -702,7 +702,7 @@ function _writeInt32 (buf, value, offset, littleEndian, noAssert) {
   if (offset >= len) {
     return
   } else if (offset + 3 >= len) {
-    var dv = new DataView(new ArrayBuffer(4))
+    var dv = new xDataView(new xArrayBuffer(4))
     dv.setInt32(0, value, littleEndian)
     for (var i = 0; i + offset < len; i++) {
       buf[i + offset] = dv.getUint8(i)
@@ -734,7 +734,7 @@ function _writeFloat (buf, value, offset, littleEndian, noAssert) {
   if (offset >= len) {
     return
   } else if (offset + 3 >= len) {
-    var dv = new DataView(new ArrayBuffer(4))
+    var dv = new xDataView(new xArrayBuffer(4))
     dv.setFloat32(0, value, littleEndian)
     for (var i = 0; i + offset < len; i++) {
       buf[i + offset] = dv.getUint8(i)
@@ -767,7 +767,7 @@ function _writeDouble (buf, value, offset, littleEndian, noAssert) {
   if (offset >= len) {
     return
   } else if (offset + 7 >= len) {
-    var dv = new DataView(new ArrayBuffer(8))
+    var dv = new xDataView(new xArrayBuffer(8))
     dv.setFloat64(0, value, littleEndian)
     for (var i = 0; i + offset < len; i++) {
       buf[i + offset] = dv.getUint8(i)
@@ -896,7 +896,7 @@ function ProxyBuffer (arr) {
   this._arr = arr
 
   if (arr.byteLength !== 0)
-    this._dataview = new DataView(arr.buffer, arr.byteOffset, arr.byteLength)
+    this._dataview = new xDataView(arr.buffer, arr.byteOffset, arr.byteLength)
 }
 
 ProxyBuffer.prototype.write = BufferWrite
@@ -1001,7 +1001,7 @@ function augment (arr) {
     arr._isBuffer = true
 
     if (arr.byteLength !== 0)
-      arr._dataview = new DataView(arr.buffer, arr.byteOffset, arr.byteLength)
+      arr._dataview = new xDataView(arr.buffer, arr.byteOffset, arr.byteLength)
 
     return arr
 
@@ -1128,4 +1128,4 @@ function verifIEEE754(value, max, min) {
 
 function assert (test, message) {
   if (!test) throw new Error(message || 'Failed assertion')
-}
\ No newline at end of file
+}