From b89a7ee8b956c96a1dcee995ea840feddc5d4b27 Mon Sep 17 00:00:00 2001
From: Pierre Frisch
Date: Thu, 22 Dec 2011 07:25:50 -0800
Subject: First commit of Ninja to ninja-internal

Signed-off-by: Valerio Virgillito <rmwh84@motorola.com>
---
 .../montage/core/converter/bytes-converter.js      | 123 +++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100755 node_modules/montage/core/converter/bytes-converter.js

(limited to 'node_modules/montage/core/converter/bytes-converter.js')

diff --git a/node_modules/montage/core/converter/bytes-converter.js b/node_modules/montage/core/converter/bytes-converter.js
new file mode 100755
index 00000000..1626f352
--- /dev/null
+++ b/node_modules/montage/core/converter/bytes-converter.js
@@ -0,0 +1,123 @@
+/* <copyright>
+ This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
+ No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
+ (c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.
+ </copyright> */
+/**
+	@module montage/core/converter/bytes-converter
+    @requires montage/core/core
+    @requires montage/core/converter/converter
+    @requires montage/core/converter/number-converter
+*/
+var Montage = require("montage").Montage;
+var Converter = require('core/converter/converter').Converter;
+var _numericValueToString = require("core/converter/number-converter")._numericValueToString;
+var _stringToNumericValue = require("core/converter/number-converter")._stringToNumericValue;
+var NUMERIC_SCALES_BINARY_ = require("core/converter/number-converter").NUMERIC_SCALES_BINARY_;
+var isDef = require('core/converter/converter').isDef;
+
+/**
+  @private
+*/
+var NUMERIC_SCALE_PREFIXES_BYTES = [
+    'P', 'T', 'G', 'M', 'K', '', 'm', 'u', 'n'
+];
+
+/**
+    Converts a string to number of bytes, taking into account the units.
+    Binary conversion.
+    @function
+    @param {string} stringValue String to be converted to numeric value.
+    @return {number} Numeric value for string.
+    @private
+ */
+var stringToNumBytes = function(stringValue) {
+    return _stringToNumericValue(stringValue, NUMERIC_SCALES_BINARY_);
+};
+
+/**
+    Converts number of bytes to string representation. Binary conversion.
+    Default is to return the additional 'B' suffix, e.g. '10.5KB' to minimize confusion with counts that are scaled by powers of 1000.
+    @function
+    @param {Number} val Value to be converted.
+    @param {Number} opt_decimals The number of decimals to use.  Defaults to 2.
+    @param {Boolean} opt_suffix If true, include trailing 'B' in returned string. Default is true.
+    @return {String} String representation of number of bytes.
+    @private
+ */
+var numBytesToString = function(val, opt_decimals, opt_suffix) {
+    var suffix = '';
+    if (!isDef(opt_suffix) || opt_suffix) {
+        suffix = 'B';
+    }
+    return _numericValueToString(val, NUMERIC_SCALES_BINARY_, opt_decimals, suffix, NUMERIC_SCALE_PREFIXES_BYTES);
+};
+
+/**
+    Formats a number of bytes in human readable form: 54, 450K, 1.3M, 5G etc.
+    @function
+    @param {Number} bytes The number of bytes to show.
+    @param {Number} opt_decimals The number of decimals to use.  Defaults to 2.
+    @return {String} The human readable form of the byte size.
+    @private
+ */
+var fileSize = function(bytes, opt_decimals) {
+    return numBytesToString(bytes, opt_decimals, false);
+};
+
+/**
+    @class module:montage/core/converter/bytes-converter.BytesConverter
+    @classdesc Converts a numeric value to byte format (for example, 2048 is converted to 2MB).
+    @extends module:montage/core/converter.Converter
+ */
+exports.BytesConverter = Montage.create(Converter, /** @lends module:montage/core/converter/bytes-converter.BytesConverter# */ {
+
+    /**
+     The number of decimals to include in the formatted value. Default is 2.
+     @type {Property}
+     @default {Number} 2
+     */
+    decimals: {
+        value: 2
+    },
+    /**
+     Converts the specified value to byte format.
+     @function
+     @param {Property} v The value to format.
+     @returns {String} The value converted to byte format.
+     @example
+     var Converter= require("core/converter/converter").Converter;
+     var BytesConverter = require("core/converter/converter").BytesConverter;
+     var bytes = "12341234";
+     var byteconverter = BytesConverter.create();
+     console.log("Converted: " + byteconverter.convert(bytes));
+     console.log("Reverted: " + byteconverter.revert(bytes));
+     // Converted: 11.77MB
+     // Reverted: 12341234
+     */
+    convert: {
+        value: function(v) {
+            return fileSize(v, this.decimals);
+        }
+    },
+    /**
+     Reverts a formatted byte string to a standard number.
+     @function
+     @param {String} v The value to revert.
+     @returns {String} v
+     @see module:montage/converter.BytesConverter#convert
+     @example
+     var Converter= require("core/converter/converter").Converter;
+     var BytesConverter = require("core/converter/converter").BytesConverter;
+     var bytes = "11.77MB";
+     var byteconverter = BytesConverter.create();
+     console.log("Reverted: " + byteconverter.revert(bytes));
+     // Reverted: 12341234
+     */
+    revert: {
+        value: function(v) {
+            return v;
+        }
+    }
+});
+
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