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Code Issues Packages Projects Releases Wiki Activity

Adds basic BigNumber type support 

Fixes `To Base` & `From Base` issues as reported on twitter
This commit is contained in:
Matt C 2018-01-03 11:26:31 +00:00
parent 0ba28dc891
commit c241d2f90b
5 changed files with 47 additions and 932 deletions
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917
package-lock.json generated
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"version": "2.8.0",
"resolved": "https://registry.npmjs.org/nan/-/nan-2.8.0.tgz",
"integrity": "sha1-7XFfP+neArV6XmJS2QqWZ14fCFo=",
"dev": true,
"optional": true
},
"natural-compare": {
"version": "1.4.0",
"resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",

1
package.json
View File

@ -68,6 +68,7 @@
},
"dependencies": {
"babel-polyfill": "^6.26.0",
"bignumber.js": "^5.0.0",
"bootstrap": "^3.3.7",
"bootstrap-colorpicker": "^2.5.2",
"bootstrap-switch": "^3.3.4",

46
src/core/Dish.js
View File

@ -1,14 +1,16 @@
import Utils from "./Utils.js";
import BigNumber from "bignumber.js";
/**
* The data being operated on by each operation.
*
* @author n1474335 [n1474335@gmail.com]
* @author Matt C [matt@artemisbot.uk]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*
* @class
* @param {byteArray|string|number|ArrayBuffer} value - The value of the input data.
* @param {byteArray|string|number|ArrayBuffer|BigNumber} value - The value of the input data.
* @param {number} type - The data type of value, see Dish enums.
*/
const Dish = function(value, type) {
@ -47,6 +49,12 @@ Dish.HTML = 3;
* @enum
*/
Dish.ARRAY_BUFFER = 4;
/**
* Dish data type enum for BigNumbers.
* @readonly
* @enum
*/
Dish.BIG_NUMBER = 5;
/**
@ -57,22 +65,22 @@ Dish.ARRAY_BUFFER = 4;
* @returns {number} The data type enum value.
*/
Dish.typeEnum = function(typeStr) {
switch (typeStr) {
case "byteArray":
case "Byte array":
switch (typeStr.toLowerCase()) {
case "bytearray":
case "byte array":
return Dish.BYTE_ARRAY;
case "string":
case "String":
return Dish.STRING;
case "number":
case "Number":
return Dish.NUMBER;
case "html":
case "HTML":
return Dish.HTML;
case "arrayBuffer":
case "ArrayBuffer":
case "arraybuffer":
case "array buffer":
return Dish.ARRAY_BUFFER;
case "bignumber":
case "big number":
return Dish.BIG_NUMBER;
default:
throw "Invalid data type string. No matching enum.";
}
@ -83,8 +91,8 @@ Dish.typeEnum = function(typeStr) {
* Returns the data type string for the given type enum.
*
* @static
* @param {string} typeEnum - The enum value of the data type.
* @returns {number} The data type as a string.
* @param {number} typeEnum - The enum value of the data type.
* @returns {string} The data type as a string.
*/
Dish.enumLookup = function(typeEnum) {
switch (typeEnum) {
@ -98,6 +106,8 @@ Dish.enumLookup = function(typeEnum) {
return "html";
case Dish.ARRAY_BUFFER:
return "ArrayBuffer";
case Dish.BIG_NUMBER:
return "BigNumber";
default:
throw "Invalid data type enum. No matching type.";
}
@ -107,7 +117,7 @@ Dish.enumLookup = function(typeEnum) {
/**
* Sets the data value and type and then validates them.
*
* @param {byteArray|string|number|ArrayBuffer} value - The value of the input data.
* @param {byteArray|string|number|ArrayBuffer|BigNumber} value - The value of the input data.
* @param {number} type - The data type of value, see Dish enums.
*/
Dish.prototype.set = function(value, type) {
@ -126,7 +136,7 @@ Dish.prototype.set = function(value, type) {
* Returns the value of the data in the type format specified.
*
* @param {number} type - The data type of value, see Dish enums.
* @returns {byteArray|string|number|ArrayBuffer} The value of the output data.
* @returns {byteArray|string|number|ArrayBuffer|BigNumber} The value of the output data.
*/
Dish.prototype.get = function(type) {
if (this.type !== type) {
@ -159,6 +169,9 @@ Dish.prototype.translate = function(toType) {
// Array.from() would be nicer here, but it's slightly slower
this.value = Array.prototype.slice.call(new Uint8Array(this.value));
break;
case Dish.BIG_NUMBER:
this.value = this.value instanceof BigNumber ? Utils.strToByteArray(this.value.toString()) : [];
break;
default:
break;
}
@ -180,6 +193,10 @@ Dish.prototype.translate = function(toType) {
this.value = new Uint8Array(this.value).buffer;
this.type = Dish.ARRAY_BUFFER;
break;
case Dish.BIG_NUMBER:
this.value = new BigNumber(Utils.byteArrayToUtf8(this.value));
this.type = Dish.BIG_NUMBER;
break;
default:
break;
}
@ -215,6 +232,8 @@ Dish.prototype.valid = function() {
return typeof this.value === "number";
case Dish.ARRAY_BUFFER:
return this.value instanceof ArrayBuffer;
case Dish.BIG_NUMBER:
return this.value instanceof BigNumber;
default:
return false;
}
@ -235,6 +254,7 @@ Dish.prototype.size = function() {
case Dish.HTML:
return this.value.length;
case Dish.NUMBER:
case Dish.BIG_NUMBER:
return this.value.toString().length;
case Dish.ARRAY_BUFFER:
return this.value.byteLength;

4
src/core/config/OperationConfig.js
View File

@ -806,7 +806,7 @@ const OperationConfig = {
module: "Default",
description: "Converts a number to decimal from a given numerical base.",
inputType: "string",
outputType: "number",
outputType: "BigNumber",
args: [
{
name: "Radix",
@ -818,7 +818,7 @@ const OperationConfig = {
"To Base": {
module: "Default",
description: "Converts a decimal number to a given numerical base.",
inputType: "number",
inputType: "BigNumber",
outputType: "string",
args: [
{

11
src/core/operations/Base.js
View File

@ -1,3 +1,4 @@
import BigNumber from "bignumber.js";
/**
* Numerical base operations.
*
@ -18,7 +19,7 @@ const Base = {
/**
* To Base operation.
*
* @param {number} input
* @param {BigNumber} input
* @param {Object[]} args
* @returns {string}
*/
@ -39,7 +40,7 @@ const Base = {
*
* @param {string} input
* @param {Object[]} args
* @returns {number}
* @returns {BigNumber}
*/
runFrom: function(input, args) {
const radix = args[0] || Base.DEFAULT_RADIX;
@ -48,14 +49,14 @@ const Base = {
}
let number = input.replace(/\s/g, "").split("."),
result = parseInt(number[0], radix) || 0;
result = new BigNumber(number[0], radix) || 0;
if (number.length === 1) return result;
// Fractional part
for (let i = 0; i < number[1].length; i++) {
const digit = parseInt(number[1][i], radix);
result += digit / Math.pow(radix, i+1);
const digit = new BigNumber(number[1][i], radix);
result += digit.div(Math.pow(radix, i+1));
}
return result;