initial commit

libjs/wType/blob.js

@@ -0,0 +1,65 @@
+"use strict";
+
+var Object = require("./object");
+
+var Blob = Object.inherit({
+    "className": "Blob",
+    "constructor": function(/*ArrayBuffer*/data) {
+        Object.fn.constructor.call(this);
+        
+        data = data || new ArrayBuffer(0);
+        this._data = data;
+    },
+    "==": function(other) {
+        if (this.getType() !== other.getType()) {
+            return false;
+        }
+        
+        return this.size() == other.size();         //TODO let's pretend one shall never wish to compare blobs) 
+    },
+    "base64": function() {
+        var arr = new Uint8Array(this._data);
+        var bin = "";
+        for (var i = 0; i < arr.length; ++i) {
+            bin += String.fromCharCode(arr[i]);
+        }
+        
+        return btoa(bin);
+    },
+    "clone": function() {
+        var clone = new Blob(this._data.slice(0));
+        
+        return clone;
+    },
+    "deserialize": function(ba) {
+        var length = ba.pop32();
+        this._data = new ArrayBuffer(length);
+        var view = new Uint8Array(this._data);
+        
+        for (var i = 0; i < length; ++i) {
+            view[i] = ba.pop8();
+        }
+    },
+    "length": function() {
+        return this._data.byteLength;
+    },
+    "serialize": function(ba) {
+        ba.push32(this._data.byteLength);
+        var view = new Uint8Array(this._data);
+        
+        for (var i = 0; i < view.length; ++i) {
+            ba.push8(view[i]);
+        }
+    },
+    "size": function() {
+        return this._data.byteLength + 4;
+    },
+    "toString": function() {
+        return "File <" + this._data.byteLength + ">";
+    },
+    "valueOf": function() {
+        return this._data;
+    }
+});
+
+module.exports = Blob;