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Bombe results are now presented in a table

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n1474335 2019-02-08 15:21:14 +00:00 • committed by s2224834
parent 1e914c4cf2
commit 1079080f5c
2 changed files with 59 additions and 15 deletions
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43
src/core/operations/MultipleBombe.mjs
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@ -56,7 +56,8 @@ class MultipleBombe extends Operation {
this.description = "Emulation of the Bombe machine used to attack Enigma. This version carries out multiple Bombe runs to handle unknown rotor configurations.<br><br>You should test your menu on the single Bombe operation before running it here. See the description of the Bombe operation for instructions on choosing a crib.";
this.infoURL = "https://wikipedia.org/wiki/Bombe";
this.inputType = "string";
this.outputType = "string";
this.outputType = "JSON";
this.presentType = "html";
this.args = [
{
"name": "Standard Enigmas",
@ -146,7 +147,7 @@ class MultipleBombe extends Operation {
const hours = Math.floor(remaining / 3600);
const minutes = `0${Math.floor((remaining % 3600) / 60)}`.slice(-2);
const seconds = `0${Math.floor(remaining % 60)}`.slice(-2);
const msg = `Bombe run with ${nLoops} loops in menu (2+ desirable): ${nStops} stops, ${Math.floor(100 * progress)}% done, ${hours}:${minutes}:${seconds} remaining`;
const msg = `Bombe run with ${nLoops} loop${nLoops === 1 ? "" : "s"} in menu (2+ desirable): ${nStops} stops, ${Math.floor(100 * progress)}% done, ${hours}:${minutes}:${seconds} remaining`;
self.sendStatusMessage(msg);
}
@ -227,7 +228,7 @@ class MultipleBombe extends Operation {
update = undefined;
}
let bombe = undefined;
let msg;
const output = {bombeRuns: []};
// I could use a proper combinatorics algorithm here... but it would be more code to
// write one, and we don't seem to have one in our existing libraries, so massively nested
// for loop it is
@ -253,7 +254,7 @@ class MultipleBombe extends Operation {
}
if (bombe === undefined) {
bombe = new BombeMachine(runRotors, reflector, ciphertext, crib, check);
msg = `Bombe run on menu with ${bombe.nLoops} loops (2+ desirable). Note: Rotors and rotor positions are listed left to right, ignore stepping and the ring setting, and positions start at the beginning of the crib. Some plugboard settings are determined. A decryption preview starting at the beginning of the crib and ignoring stepping is also provided. Results:\n`;
output.nLoops = bombe.nLoops;
} else {
bombe.changeRotors(runRotors, reflector);
}
@ -263,17 +264,41 @@ class MultipleBombe extends Operation {
update(bombe.nLoops, nStops, nRuns / totalRuns, start);
}
if (result.length > 0) {
msg += `\nRotors: ${runRotors.join(", ")}\nReflector: ${reflector.pairs}\n`;
for (const [setting, stecker, decrypt] of result) {
msg += `Stop: ${setting} (plugboard: ${stecker}): ${decrypt}\n`;
}
output.bombeRuns.push({
rotors: runRotors,
reflector: reflector.pairs,
result: result
});
}
}
}
}
}
}
return msg;
return output;
}
/**
* Displays the MultiBombe results in an HTML table
*
* @param {Object} output
* @param {number} output.nLoops
* @param {Array[]} output.result
* @returns {html}
*/
present(output) {
let html = `Bombe run on menu with ${output.nLoops} loop${output.nLoops === 1 ? "" : "s"} (2+ desirable). Note: Rotors and rotor positions are listed left to right, ignore stepping and the ring setting, and positions start at the beginning of the crib. Some plugboard settings are determined. A decryption preview starting at the beginning of the crib and ignoring stepping is also provided.\n`;
for (const run of output.bombeRuns) {
html += `\nRotors: ${run.rotors.join(", ")}\nReflector: ${run.reflector}\n`;
html += "<table class='table table-hover table-sm table-bordered table-nonfluid'><tr><th>Rotor stops</th><th>Partial plugboard</th><th>Decryption preview</th></tr>";
for (const [setting, stecker, decrypt] of run.result) {
html += `<tr><td>${setting}</td><td>${stecker}</td><td>${decrypt}</td></tr>\n`;
}
html += "</table>\n";
}
return html;
}
}