153 lines
3.9 KiB
Go
Executable File
153 lines
3.9 KiB
Go
Executable File
// CookieJar - A contestant's algorithm toolbox
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// Copyright 2014 Peter Szilagyi. All rights reserved.
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//
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// CookieJar is dual licensed: use of this source code is governed by a BSD
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// license that can be found in the LICENSE file. Alternatively, the CookieJar
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// toolbox may be used in accordance with the terms and conditions contained
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// in a signed written agreement between you and the author(s).
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package main
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import (
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"flag"
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"fmt"
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"os"
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"gopkg.in/inconshreveable/log15.v2"
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"gopkg.in/qml.v1"
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"gopkg.in/qml.v1/webengine"
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)
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// Arena QML to not require additional files
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const arenaQml = `
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import QtQuick 2.1
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import QtWebEngine 1.0
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import QtQuick.Controls 1.0
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ApplicationWindow {
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title: "CodinGame Karalabe Arena"
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width: 1024
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height: 768
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WebEngineView {
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objectName: "arena"
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anchors.fill: parent
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url: "http://www.codingame.com"
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}
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}
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`
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// Command line flags for the arena
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var repo = flag.String("repo", "challenges", "Challenge repository to work with")
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// Application entry point, simple starts the arena QML app.
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func main() {
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flag.Parse()
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if err := qml.Run(arena); err != nil {
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log15.Crit("failed to start arena", "error", err)
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os.Exit(-1)
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}
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}
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// QML application entry point to assemble the arena.
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func arena() error {
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// Initialize the Chromium WebEngine
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webengine.Initialize()
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// Initialize the WebSocket backend
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port, err := backend()
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if err != nil {
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return err
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}
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// Create a new QML engine and terminate on quit
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engine := qml.NewEngine()
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engine.On("quit", func() { os.Exit(0) })
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// Load the main arena content from QML
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view, err := engine.LoadString("codingame.qml", arenaQml)
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if err != nil {
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return err
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}
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win := view.CreateWindow(nil)
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// Create the controller around the arena
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ctrl := &Control{
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arena: win.Root().ObjectByName("arena"),
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backend: port,
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}
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ctrl.arena.On("loadingChanged", ctrl.InjectControl)
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// Start the application and wait till closure
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win.Call("showMaximized")
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win.Wait()
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return nil
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}
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// Arena controller to handle events.
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type Control struct {
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arena qml.Object
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backend int
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}
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// Invoked whenever a page is navigated.
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func (c *Control) InjectControl(request qml.Object) {
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// Make sure the page loaded correctly
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if request.Int("status") != 2 {
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return
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}
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// Try and indefinitely find an editor, and fetch its contents into the title
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ctrlJs := `
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// Dial back to the arena backend
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var ws = new WebSocket("ws://localhost:` + fmt.Sprint(c.backend) + `");
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ws.onmessage = function(msg) {
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var packet = JSON.parse(msg.data);
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// Check for system notifications
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if (packet.message != undefined) {
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noty({
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layout: 'top',
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type: packet.type,
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text: packet.message,
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dismissQueue: true,
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animation: {
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open: {height: 'toggle'},
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close: {height: 'toggle'},
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easing: 'swing',
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speed: 500
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},
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timeout: 3000
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});
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return;
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}
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// Code update arrived, fetch enditor and ensure correct challenge
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var editor = document.getElementById('ideFrame').contentWindow.ace.edit('ace_edit');
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if (editor != undefined) {
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var title = document.getElementById('ideFrame').contentDocument.getElementsByClassName('challengeTitle')[0].firstChild;
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if (title.nodeValue.trim() == packet.name) {
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editor.setValue(packet.source, 0);
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editor.navigateFileStart();
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}
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}
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};
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// Keep checking for editor presence
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setInterval(function() {
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var editor = document.getElementById('ideFrame').contentWindow.ace.edit('ace_edit');
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if (editor != undefined) {
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// Assemble a source report and send it to the backend
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var title = document.getElementById('ideFrame').contentDocument.getElementsByClassName('challengeTitle')[0].firstChild;
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var challenge = {
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'name': title.nodeValue.trim(),
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'source': editor.getValue()
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};
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ws.send(JSON.stringify(challenge));
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}
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}, 1000);
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`
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log15.Info("injecting frontend javascript")
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c.arena.Call("runJavaScript", notifyJs)
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c.arena.Call("runJavaScript", ctrlJs)
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}
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