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4 changed files with 111 additions and 0 deletions
src/core
tests/operations

@ -247,6 +247,7 @@
"Remove null bytes", "Remove null bytes",
"To Upper case", "To Upper case",
"To Lower case", "To Lower case",
"Swap case",
"To Case Insensitive Regex", "To Case Insensitive Regex",
"From Case Insensitive Regex", "From Case Insensitive Regex",
"Add line numbers", "Add line numbers",

@ -0,0 +1,76 @@
/**
* @author mikecat
* @copyright Crown Copyright 2023
* @license Apache-2.0
*/
import Operation from "../Operation.mjs";
/**
* Swap case operation
*/
class SwapCase extends Operation {
/**
* SwapCase constructor
*/
constructor() {
super();
this.name = "Swap case";
this.module = "Default";
this.description = "Converts uppercase letters to lowercase ones, and lowercase ones to uppercase ones.";
this.infoURL = "";
this.inputType = "string";
this.outputType = "string";
this.args = [];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
let result = "";
for (let i = 0; i < input.length; i++) {
const c = input.charAt(i);
const upper = c.toUpperCase();
if (c === upper) {
result += c.toLowerCase();
} else {
result += upper;
}
}
return result;
}
/**
* Highlight Swap case
*
* @param {Object[]} pos
* @param {number} pos[].start
* @param {number} pos[].end
* @param {Object[]} args
* @returns {Object[]} pos
*/
highlight(pos, args) {
return pos;
}
/**
* Highlight Swap case in reverse
*
* @param {Object[]} pos
* @param {number} pos[].start
* @param {number} pos[].end
* @param {Object[]} args
* @returns {Object[]} pos
*/
highlightReverse(pos, args) {
return pos;
}
}
export default SwapCase;

@ -131,6 +131,7 @@ import "./tests/CMAC.mjs";
import "./tests/AESKeyWrap.mjs"; import "./tests/AESKeyWrap.mjs";
import "./tests/Rabbit.mjs"; import "./tests/Rabbit.mjs";
import "./tests/LevenshteinDistance.mjs"; import "./tests/LevenshteinDistance.mjs";
import "./tests/SwapCase.mjs";
// Cannot test operations that use the File type yet // Cannot test operations that use the File type yet
// import "./tests/SplitColourChannels.mjs"; // import "./tests/SplitColourChannels.mjs";

@ -0,0 +1,33 @@
/**
* @author mikecat
* @copyright Crown Copyright 2023
* @license Apache-2.0
*/
import TestRegister from "../../lib/TestRegister.mjs";
TestRegister.addTests([
{
"name": "Swap Case: basic example",
"input": "Hello, World!",
"expectedOutput": "hELLO, wORLD!",
"recipeConfig": [
{
"op": "Swap case",
"args": [
],
},
],
},
{
"name": "Swap Case: empty input",
"input": "",
"expectedOutput": "",
"recipeConfig": [
{
"op": "Swap case",
"args": [
],
},
],
},
]);