binaryajax.js 0.1.10

found at http://web.archive.org/web/20110819185654/http://www.nihilogic.dk/labs/binaryajax/binaryajax.js

1 files changed, 48 insertions, 9 deletions

diff --git a/binaryajax.js b/binaryajax.js
index b721a9c..f7b5b48 100644
--- a/binaryajax.js
+++ b/binaryajax.js
@@ -1,6 +1,6 @@
 
 /*
- * Binary Ajax 0.1.7
+ * Binary Ajax 0.1.10
  * Copyright (c) 2008 Jacob Seidelin, cupboy@gmail.com, http://blog.nihilogic.dk/
  * Licensed under the MPL License [http://www.nihilogic.dk/licenses/mpl-license.txt]
  */
@@ -21,12 +21,26 @@ var BinaryFile = function(strData, iDataOffset, iDataLength) {
 		this.getByteAt = function(iOffset) {
 			return data.charCodeAt(iOffset + dataOffset) & 0xFF;
 		}
+
+		this.getBytesAt = function(iOffset, iLength) {
+			var aBytes = [];
+
+			for (var i = 0; i < iLength; i++) {
+				aBytes[i] = data.charCodeAt((iOffset + i) + dataOffset) & 0xFF
+			};
+
+			return aBytes;
+		}
 	} else if (typeof strData == "unknown") {
 		dataLength = iDataLength || IEBinary_getLength(data);
 
 		this.getByteAt = function(iOffset) {
 			return IEBinary_getByteAt(data, iOffset + dataOffset);
 		}
+
+		this.getBytesAt = function(iOffset, iLength) {
+			return new VBArray(IEBinary_getBytesAt(data, iOffset + dataOffset, iLength)).toArray();
+		}
 	}
 
 	this.getLength = function() {
@@ -74,10 +88,13 @@ var BinaryFile = function(strData, iDataOffset, iDataLength) {
 		else
 			return iULong;
 	}
+
 	this.getStringAt = function(iOffset, iLength) {
 		var aStr = [];
-		for (var i=iOffset,j=0;i<iOffset+iLength;i++,j++) {
-			aStr[j] = String.fromCharCode(this.getByteAt(i));
+
+		var aBytes = this.getBytesAt(iOffset, iLength);
+		for (var j=0; j < iLength; j++) {
+			aStr[j] = String.fromCharCode(aBytes[j]);
 		}
 		return aStr.join("");
 	}
@@ -98,10 +115,10 @@ var BinaryAjax = (function() {
 
 	function createRequest() {
 		var oHTTP = null;
-		if (window.XMLHttpRequest) {
-			oHTTP = new XMLHttpRequest();
-		} else if (window.ActiveXObject) {
+		if (window.ActiveXObject) {
 			oHTTP = new ActiveXObject("Microsoft.XMLHTTP");
+		} else if (window.XMLHttpRequest) {
+			oHTTP = new XMLHttpRequest();
 		}
 		return oHTTP;
 	}
@@ -155,7 +172,6 @@ var BinaryAjax = (function() {
 			if (fncCallback) {
 				if (typeof(oHTTP.onload) != "undefined") {
 					oHTTP.onload = function() {
-
 						if (oHTTP.status == "200" || oHTTP.status == "206" || oHTTP.status == "0") {
 							oHTTP.binaryResponse = new BinaryFile(oHTTP.responseText, iDataOffset, iDataLen);
 							oHTTP.fileSize = iFileSize || oHTTP.getResponseHeader("Content-Length");
@@ -172,7 +188,10 @@ var BinaryAjax = (function() {
 								// IE6 craps if we try to extend the XHR object
 								var oRes = {
 									status : oHTTP.status,
-									binaryResponse : new BinaryFile(oHTTP.responseBody, iDataOffset, iDataLen),
+									// IE needs responseBody, Chrome/Safari needs responseText
+									binaryResponse : new BinaryFile(
+										typeof oHTTP.responseBody == "unknown" ? oHTTP.responseBody : oHTTP.responseText, iDataOffset, iDataLen
+									),
 									fileSize : iFileSize || oHTTP.getResponseHeader("Content-Length")
 								};
 								fncCallback(oRes);
@@ -226,7 +245,7 @@ var BinaryAjax = (function() {
 
 }());
 
-
+/*
 document.write(
 	"<script type='text/vbscript'>\r\n"
 	+ "Function IEBinary_getByteAt(strBinary, iOffset)\r\n"
@@ -237,3 +256,23 @@ document.write(
 	+ "End Function\r\n"
 	+ "</script>\r\n"
 );
+*/
+
+document.write(
+	"<script type='text/vbscript'>\r\n"
+	+ "Function IEBinary_getByteAt(strBinary, iOffset)\r\n"
+	+ "	IEBinary_getByteAt = AscB(MidB(strBinary, iOffset + 1, 1))\r\n"
+	+ "End Function\r\n"
+	+ "Function IEBinary_getBytesAt(strBinary, iOffset, iLength)\r\n"
+	+ "  Dim aBytes()\r\n"
+	+ "  ReDim aBytes(iLength - 1)\r\n"
+	+ "  For i = 0 To iLength - 1\r\n"
+	+ "   aBytes(i) = IEBinary_getByteAt(strBinary, iOffset + i)\r\n"
+	+ "  Next\r\n"
+	+ "  IEBinary_getBytesAt = aBytes\r\n"
+	+ "End Function\r\n"
+	+ "Function IEBinary_getLength(strBinary)\r\n"
+	+ "	IEBinary_getLength = LenB(strBinary)\r\n"
+	+ "End Function\r\n"
+	+ "</script>\r\n"
+);