first commit

index.js

@@ -0,0 +1,68 @@
+'use strict';
+
+String.prototype.removeEndNullBytes = function() {
+    return this.replace(/\0+$/g, '');
+}
+String.prototype.removeStartNullBytes = function() {
+    return this.replace(/^\0+/g, '');
+}
+
+var pluie =
+{
+    bin : 
+    {
+        enc             : new TextEncoder("utf-8"),
+
+        dec             : new TextDecoder("utf-8", {fatal: true}),
+
+        intFromBytes    : function(bytes)
+        {
+            // Big Endian
+            for (var i = value = 0, lim = bytes.length; i < lim; i++) {
+                value = value * 256 + bytes[i];
+            }
+            return value;
+        },
+
+        bytesFromInt    : function(value, size)
+        {
+            var bytes = new Uint8Array(size);
+            while (value) {
+                bytes.set([value & 255], --size);
+                value >>= 8;;
+            }
+            return bytes;
+        },
+
+        pack            : function(size, type, value)
+        {
+            var packed = null 
+            if (type == 'n' || type == 'N') {
+                // js int max on 32 signed bits
+                if (value >= 0 && value <= 2147483647) {
+                    packed = this.bytesFromInt(value, type == 'n' ? 2 : 4);
+                }
+            }
+            else if (type == 'a') {
+                packed = new Uint8Array(size);
+                packed.set(this.enc.encode(value), 0);
+            }
+            return packed;
+        },
+
+        unpack          : function(size, type, bytes)
+        {
+            var unpacked = null 
+            if (type == 'n' || type == 'N') {
+                var selByte = bytes.slice(0, size*(type == 'n' ? 2 : 4));
+                unpacked = this.intFromBytes(selByte);
+            }
+            else if (type == 'a') {
+                unpacked = this.dec.decode(bytes.slice(0, size)).removeEndNullBytes();
+            }
+            return unpacked;
+        }
+    }
+}
+
+module.exports = pluie.bin;

package.json

@@ -0,0 +1,16 @@
+{
+  "name": "@pluie/bin",
+  "version": "1.0.2",
+  "description": "Node.js pluie small binary API for the browser",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "a-Sansara",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://git.pluie.org/pluie/js-bin.git"
+  }
+}