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1098 lines (938 loc) · 37.7 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Multi-Language Code Executor</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
padding: 20px;
}
.container {
max-width: 1400px;
margin: 0 auto;
background: rgba(255, 255, 255, 0.1);
backdrop-filter: blur(10px);
border-radius: 20px;
padding: 30px;
box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
border: 1px solid rgba(255, 255, 255, 0.18);
}
.header {
text-align: center;
margin-bottom: 30px;
}
.header h1 {
color: white;
font-size: 2.5rem;
margin-bottom: 10px;
text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}
.header p {
color: rgba(255, 255, 255, 0.8);
font-size: 1.1rem;
}
.api-config {
background: rgba(255, 255, 255, 0.95);
border-radius: 15px;
padding: 20px;
margin-bottom: 20px;
display: flex;
gap: 15px;
align-items: center;
flex-wrap: wrap;
}
.api-config label {
font-weight: 600;
color: #333;
}
.api-config input {
padding: 8px 12px;
border: 2px solid #e0e0e0;
border-radius: 6px;
font-size: 0.9rem;
min-width: 300px;
}
.api-config input:focus {
outline: none;
border-color: #667eea;
}
.api-status {
display: flex;
align-items: center;
gap: 8px;
font-size: 0.9rem;
}
.status-indicator {
width: 10px;
height: 10px;
border-radius: 50%;
background: #dc3545;
}
.status-indicator.connected {
background: #28a745;
}
.layout {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 30px;
height: 70vh;
}
.panel {
background: rgba(255, 255, 255, 0.95);
border-radius: 15px;
padding: 25px;
box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
display: flex;
flex-direction: column;
}
.panel-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 20px;
padding-bottom: 15px;
border-bottom: 2px solid #e0e0e0;
}
.panel-title {
font-size: 1.3rem;
font-weight: 600;
color: #333;
}
.language-selector {
display: flex;
align-items: center;
gap: 10px;
}
.language-selector select {
padding: 8px 12px;
border: 2px solid #e0e0e0;
border-radius: 6px;
font-size: 0.9rem;
background: white;
cursor: pointer;
}
.language-selector select:focus {
outline: none;
border-color: #667eea;
}
.editor-container {
flex: 1;
position: relative;
}
#codeEditor {
width: 100%;
height: 100%;
border: 2px solid #e0e0e0;
border-radius: 10px;
padding: 15px;
font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
font-size: 14px;
line-height: 1.5;
resize: none;
background: #fafafa;
transition: border-color 0.3s ease;
}
#codeEditor:focus {
outline: none;
border-color: #667eea;
box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}
.controls {
display: flex;
gap: 15px;
margin-bottom: 20px;
flex-wrap: wrap;
}
.btn {
padding: 12px 24px;
border: none;
border-radius: 8px;
font-size: 1rem;
font-weight: 600;
cursor: pointer;
transition: all 0.3s ease;
display: flex;
align-items: center;
gap: 8px;
}
.btn-primary {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
}
.btn-primary:hover:not(:disabled) {
transform: translateY(-2px);
box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}
.btn-secondary {
background: #f8f9fa;
color: #6c757d;
border: 2px solid #e9ecef;
}
.btn-secondary:hover:not(:disabled) {
background: #e9ecef;
border-color: #dee2e6;
}
.btn:disabled {
opacity: 0.6;
cursor: not-allowed;
transform: none !important;
}
.input-section {
margin-bottom: 15px;
}
.input-section label {
display: block;
margin-bottom: 5px;
font-weight: 600;
color: #333;
}
.input-section textarea {
width: 100%;
height: 80px;
padding: 10px;
border: 2px solid #e0e0e0;
border-radius: 6px;
font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
font-size: 13px;
resize: vertical;
}
.input-section textarea:focus {
outline: none;
border-color: #667eea;
}
.output-container {
flex: 1;
display: flex;
flex-direction: column;
}
#output {
flex: 1;
background: #1e1e1e;
color: #f8f8f2;
padding: 20px;
border-radius: 10px;
font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
font-size: 14px;
line-height: 1.6;
overflow-y: auto;
white-space: pre-wrap;
word-wrap: break-word;
}
.status-bar {
display: flex;
justify-content: space-between;
align-items: center;
padding: 10px 0;
font-size: 0.9rem;
color: #666;
flex-wrap: wrap;
gap: 10px;
}
.execution-info {
display: flex;
gap: 20px;
font-size: 0.85rem;
flex-wrap: wrap;
}
.status-dot {
width: 8px;
height: 8px;
border-radius: 50%;
background: #28a745;
}
.status-dot.error {
background: #dc3545;
}
.status-dot.running {
background: #ffc107;
animation: pulse 1s infinite;
}
@keyframes pulse {
0%, 100% { opacity: 1; }
50% { opacity: 0.5; }
}
.examples {
margin-top: 15px;
}
.example-btn {
background: #e3f2fd;
color: #1976d2;
border: 1px solid #bbdefb;
padding: 8px 16px;
border-radius: 6px;
font-size: 0.9rem;
margin: 5px 5px 5px 0;
cursor: pointer;
transition: all 0.3s ease;
}
.example-btn:hover {
background: #bbdefb;
}
.error-message {
background: rgba(220, 53, 69, 0.1);
border: 1px solid #dc3545;
color: #dc3545;
padding: 10px;
border-radius: 6px;
margin: 10px 0;
}
.success-message {
background: rgba(40, 167, 69, 0.1);
border: 1px solid #28a745;
color: #28a745;
padding: 10px;
border-radius: 6px;
margin: 10px 0;
}
@media (max-width: 768px) {
.layout {
grid-template-columns: 1fr;
height: auto;
}
.panel {
min-height: 400px;
}
.container {
padding: 20px;
}
.header h1 {
font-size: 2rem;
}
.api-config {
flex-direction: column;
align-items: stretch;
}
.api-config input {
min-width: auto;
}
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>🚀 Multi-Language Code Executor</h1>
<p>Execute code in 75+ programming languages using Judge0 API</p>
</div>
<div class="api-config">
<label for="apiKey">RapidAPI Key:</label>
<input type="password" id="apiKey" placeholder="Enter your RapidAPI key for Judge0">
<div class="api-status">
<div id="apiStatusIndicator" class="status-indicator"></div>
<span id="apiStatusText">Not connected</span>
</div>
<button id="testApiBtn" class="btn btn-secondary">Test Connection</button>
</div>
<div class="layout">
<div class="panel">
<div class="panel-header">
<h3 class="panel-title">📝 Code Editor</h3>
<div class="language-selector">
<label for="languageSelect">Language:</label>
<select id="languageSelect">
<option value="63">JavaScript (Node.js 12.14.0)</option>
<option value="71">Python (3.8.1)</option>
<option value="62">Java (OpenJDK 13.0.1)</option>
<option value="54">C++ (GCC 9.2.0)</option>
<option value="50">C (GCC 9.2.0)</option>
<option value="51">C# (Mono 6.6.0.161)</option>
<option value="68">PHP (7.4.1)</option>
<option value="72">Ruby (2.7.0)</option>
<option value="60">Go (1.13.5)</option>
<option value="78">Kotlin (1.3.70)</option>
<option value="85">Perl (5.28.1)</option>
<option value="43">Plain Text</option>
</select>
</div>
</div>
<div class="editor-container">
<textarea id="codeEditor" placeholder="// Write your code here..."></textarea>
</div>
<div class="input-section">
<label for="inputData">Input (stdin):</label>
<textarea id="inputData" placeholder="Enter input data for your program (optional)"></textarea>
</div>
<div class="controls">
<button id="runBtn" class="btn btn-primary">
▶️ Run Code
</button>
<button id="clearBtn" class="btn btn-secondary">
🗑️ Clear
</button>
<button id="loadExampleBtn" class="btn btn-secondary">
📄 Load Example
</button>
</div>
<div class="examples">
<strong>Quick Examples:</strong><br>
<button class="example-btn" data-lang="63" data-example="hello-js">Hello World (JS)</button>
<button class="example-btn" data-lang="71" data-example="hello-py">Hello World (Python)</button>
<button class="example-btn" data-lang="62" data-example="hello-java">Hello World (Java)</button>
<button class="example-btn" data-lang="54" data-example="hello-cpp">Hello World (C++)</button>
<button class="example-btn" data-lang="71" data-example="input-py">Input Example (Python)</button>
</div>
</div>
<div class="panel">
<div class="panel-header">
<h3 class="panel-title">📊 Output Console</h3>
<button id="clearOutputBtn" class="btn btn-secondary" style="padding: 8px 16px; font-size: 0.9rem;">
Clear Output
</button>
</div>
<div class="output-container">
<div id="output">🔧 Setup Instructions:
1. Get your RapidAPI key:
- Visit https://rapidapi.com/judge0-official/api/judge0-ce
- Subscribe to the Judge0 API (free tier available)
- Copy your RapidAPI key
2. Enter your API key above and test the connection
3. Select a programming language and start coding!
Ready to execute code in 75+ languages...</div>
</div>
<div class="status-bar">
<div class="status-indicator">
<div id="statusDot" class="status-dot"></div>
<span id="statusText">Ready</span>
</div>
<div class="execution-info">
<span id="executionTime">Execution time: --</span>
<span id="memoryUsage">Memory: --</span>
<span id="submissionStatus">Status: --</span>
</div>
</div>
</div>
</div>
</div>
<script>
class MultiLanguageExecutor {
constructor() {
this.apiKey = '';
this.apiEndpoint = 'https://judge0-ce.p.rapidapi.com';
this.isExecuting = false;
this.pollInterval = null;
this.initializeElements();
this.initializeEventListeners();
this.setupExamples();
this.loadApiKey();
}
initializeElements() {
this.elements = {
apiKey: document.getElementById('apiKey'),
apiStatusIndicator: document.getElementById('apiStatusIndicator'),
apiStatusText: document.getElementById('apiStatusText'),
testApiBtn: document.getElementById('testApiBtn'),
languageSelect: document.getElementById('languageSelect'),
codeEditor: document.getElementById('codeEditor'),
inputData: document.getElementById('inputData'),
runBtn: document.getElementById('runBtn'),
clearBtn: document.getElementById('clearBtn'),
loadExampleBtn: document.getElementById('loadExampleBtn'),
clearOutputBtn: document.getElementById('clearOutputBtn'),
output: document.getElementById('output'),
statusDot: document.getElementById('statusDot'),
statusText: document.getElementById('statusText'),
executionTime: document.getElementById('executionTime'),
memoryUsage: document.getElementById('memoryUsage'),
submissionStatus: document.getElementById('submissionStatus')
};
}
initializeEventListeners() {
this.elements.apiKey.addEventListener('input', () => this.saveApiKey());
this.elements.testApiBtn.addEventListener('click', () => this.testConnection());
this.elements.runBtn.addEventListener('click', () => this.executeCode());
this.elements.clearBtn.addEventListener('click', () => this.clearEditor());
this.elements.loadExampleBtn.addEventListener('click', () => this.loadCurrentExample());
this.elements.clearOutputBtn.addEventListener('click', () => this.clearOutput());
this.elements.languageSelect.addEventListener('change', () => this.onLanguageChange());
// Keyboard shortcuts
this.elements.codeEditor.addEventListener('keydown', (e) => {
if ((e.ctrlKey || e.metaKey) && e.key === 'Enter') {
e.preventDefault();
this.executeCode();
}
});
// Example buttons
document.querySelectorAll('.example-btn').forEach(btn => {
btn.addEventListener('click', () => {
const langId = btn.dataset.lang;
const example = btn.dataset.example;
this.elements.languageSelect.value = langId;
this.onLanguageChange();
this.loadExample(example);
});
});
}
loadApiKey() {
const saved = localStorage.getItem('judge0_api_key');
if (saved) {
this.elements.apiKey.value = saved;
this.apiKey = saved;
}
}
saveApiKey() {
this.apiKey = this.elements.apiKey.value;
if (this.apiKey) {
localStorage.setItem('judge0_api_key', this.apiKey);
} else {
localStorage.removeItem('judge0_api_key');
}
this.updateApiStatus(false, 'Not tested');
}
async testConnection() {
if (!this.apiKey) {
this.showError('Please enter your RapidAPI key first');
return;
}
this.elements.testApiBtn.disabled = true;
this.elements.testApiBtn.textContent = 'Testing...';
try {
const response = await fetch(`${this.apiEndpoint}/languages`, {
headers: {
'X-RapidAPI-Key': this.apiKey,
'X-RapidAPI-Host': 'judge0-ce.p.rapidapi.com'
}
});
if (response.ok) {
const languages = await response.json();
this.updateApiStatus(true, `Connected (${languages.length} languages available)`);
this.updateLanguageOptions(languages);
} else {
throw new Error(`HTTP ${response.status}: ${response.statusText}`);
}
} catch (error) {
this.updateApiStatus(false, `Connection failed: ${error.message}`);
this.showError(`API connection failed: ${error.message}`);
} finally {
this.elements.testApiBtn.disabled = false;
this.elements.testApiBtn.textContent = 'Test Connection';
}
}
updateApiStatus(connected, text) {
this.elements.apiStatusIndicator.className = connected ? 'status-indicator connected' : 'status-indicator';
this.elements.apiStatusText.textContent = text;
}
updateLanguageOptions(languages) {
// Keep current selection
const currentValue = this.elements.languageSelect.value;
// Clear and repopulate
this.elements.languageSelect.innerHTML = '';
languages.forEach(lang => {
const option = document.createElement('option');
option.value = lang.id;
option.textContent = `${lang.name}`;
this.elements.languageSelect.appendChild(option);
});
// Restore selection if still available
if ([...this.elements.languageSelect.options].some(opt => opt.value === currentValue)) {
this.elements.languageSelect.value = currentValue;
}
}
onLanguageChange() {
// Clear the editor when language changes
// this.clearEditor();
// Update placeholder based on language
const selectedOption = this.elements.languageSelect.selectedOptions[0];
if (selectedOption) {
const langName = selectedOption.textContent.toLowerCase();
if (langName.includes('python')) {
this.elements.codeEditor.placeholder = '# Write your Python code here...';
} else if (langName.includes('java')) {
this.elements.codeEditor.placeholder = '// Write your Java code here...';
} else if (langName.includes('c++') || langName.includes('cpp')) {
this.elements.codeEditor.placeholder = '// Write your C++ code here...';
} else if (langName.includes('javascript')) {
this.elements.codeEditor.placeholder = '// Write your JavaScript code here...';
} else {
this.elements.codeEditor.placeholder = '// Write your code here...';
}
}
}
async executeCode() {
if (!this.apiKey) {
this.showError('Please enter and test your RapidAPI key first');
return;
}
if (this.isExecuting) {
return;
}
const code = this.elements.codeEditor.value.trim();
if (!code) {
this.showError('Please enter some code to execute');
return;
}
this.startExecution();
try {
// Submit code for execution
const submissionToken = await this.submitCode();
// Poll for results
await this.pollForResults(submissionToken);
} catch (error) {
this.showError(`Execution failed: ${error.message}`);
} finally {
this.stopExecution();
}
}
async submitCode() {
const languageId = this.elements.languageSelect.value;
const sourceCode = this.elements.codeEditor.value;
const input = this.elements.inputData.value || null;
const submissionData = {
source_code: btoa(sourceCode), // Base64 encode
language_id: parseInt(languageId),
stdin: input ? btoa(input) : null
};
const response = await fetch(`${this.apiEndpoint}/submissions?base64_encoded=true&wait=false`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-RapidAPI-Key': this.apiKey,
'X-RapidAPI-Host': 'judge0-ce.p.rapidapi.com'
},
body: JSON.stringify(submissionData)
});
if (!response.ok) {
const errorData = await response.json().catch(() => ({}));
throw new Error(errorData.message || `HTTP ${response.status}: ${response.statusText}`);
}
const result = await response.json();
return result.token;
}
async pollForResults(token) {
return new Promise((resolve, reject) => {
let attempts = 0;
const maxAttempts = 30; // 30 seconds timeout
this.pollInterval = setInterval(async () => {
try {
attempts++;
if (attempts > maxAttempts) {
clearInterval(this.pollInterval);
reject(new Error('Execution timeout - please try again'));
return;
}
const response = await fetch(`${this.apiEndpoint}/submissions/${token}?base64_encoded=true`, {
headers: {
'X-RapidAPI-Key': this.apiKey,
'X-RapidAPI-Host': 'judge0-ce.p.rapidapi.com'
}
});
if (!response.ok) {
throw new Error(`HTTP ${response.status}: ${response.statusText}`);
}
const result = await response.json();
// Update status
this.elements.submissionStatus.textContent = `Status: ${result.status.description}`;
// Check if execution is complete
if (result.status.id > 2) { // Not "In Queue" or "Processing"
clearInterval(this.pollInterval);
this.displayResults(result);
resolve(result);
}
} catch (error) {
clearInterval(this.pollInterval);
reject(error);
}
}, 1000); // Poll every second
});
}
displayResults(result) {
this.clearOutput();
// Display execution info
if (result.time) {
this.elements.executionTime.textContent = `Execution time: ${parseFloat(result.time * 1000).toFixed(2)}ms`;
}
if (result.memory) {
this.elements.memoryUsage.textContent = `Memory: ${result.memory}KB`;
}
// Display output
let output = '';
if (result.stdout) {
output += '📤 Output:\n';
output += atob(result.stdout) + '\n\n';
}
if (result.stderr) {
output += '⚠️ Error Output:\n';
output += atob(result.stderr) + '\n\n';
}
if (result.compile_output) {
output += '🔨 Compilation Output:\n';
output += atob(result.compile_output) + '\n\n';
}
// Status information
output += `📊 Execution Status: ${result.status.description}\n`;
if (result.status.id === 3) { // Accepted
output += '✅ Code executed successfully!';
this.elements.statusDot.className = 'status-dot';
} else {
output += `❌ Execution completed with status: ${result.status.description}`;
this.elements.statusDot.className = 'status-dot error';
}
this.elements.output.textContent = output || 'No output generated.';
}
startExecution() {
this.isExecuting = true;
this.elements.runBtn.disabled = true;
this.elements.runBtn.textContent = '⏳ Executing...';
this.elements.statusDot.className = 'status-dot running';
this.elements.statusText.textContent = 'Executing...';
this.elements.submissionStatus.textContent = 'Status: Submitting...';
this.clearOutput();
this.elements.output.textContent = '🚀 Submitting code for execution...\n\nPlease wait...';
}
stopExecution() {
this.isExecuting = false;
this.elements.runBtn.disabled = false;
this.elements.runBtn.textContent = '▶️ Run Code';
this.elements.statusText.textContent = 'Ready';
if (this.pollInterval) {
clearInterval(this.pollInterval);
this.pollInterval = null;
}
}
clearEditor() {
this.elements.codeEditor.value = '';
this.elements.inputData.value = '';
this.elements.codeEditor.focus();
}
clearOutput() {
this.elements.output.textContent = '';
this.elements.executionTime.textContent = 'Execution time: --';
this.elements.memoryUsage.textContent = 'Memory: --';
this.elements.submissionStatus.textContent = 'Status: --';
}
loadCurrentExample() {
const selectedLang = this.elements.languageSelect.value;
const langName = this.elements.languageSelect.selectedOptions[0].textContent.toLowerCase();
if (langName.includes('python')) {
this.loadExample('hello-py');
} else if (langName.includes('java')) {
this.loadExample('hello-java');
} else if (langName.includes('javascript')) {
this.loadExample('hello-js');
} else if (langName.includes('c++')) {
this.loadExample('hello-cpp');
} else {
this.loadExample('hello-js'); // Default
}
}
setupExamples() {
this.examples = {
'hello-js': {
code: `console.log("Hello, World!");
console.log("Welcome to Multi-Language Code Executor!");
// Simple calculation
const sum = 2 + 3;
console.log("2 + 3 =", sum);
// Array processing
const numbers = [1, 2, 3, 4, 5];
const doubled = numbers.map(n => n * 2);
console.log("Doubled array:", doubled);`,
input: ''
},
'hello-py': {
code: `print("Hello, World!")
print("Welcome to Multi-Language Code Executor!")
# Simple calculation
sum_result = 2 + 3
print(f"2 + 3 = {sum_result}")
# List processing
numbers = [1, 2, 3, 4, 5]
doubled = [n * 2 for n in numbers]
print(f"Doubled list: {doubled}")
# Function example
def fibonacci(n):
if n <= 1:
return n
return fibonacci(n-1) + fibonacci(n-2)
print(f"Fibonacci(10) = {fibonacci(10)}")`,
input: ''
},
'hello-java': {
code: `public class Main {
public static void main(String[] args) {
System.out.println("Hello, World!");
System.out.println("Welcome to Multi-Language Code Executor!");
// Simple calculation
int sum = 2 + 3;
System.out.println("2 + 3 = " + sum);
// Array processing
int[] numbers = {1, 2, 3, 4, 5};
System.out.print("Original array: ");
for (int num : numbers) {
System.out.print(num + " ");
}
System.out.println();
System.out.print("Doubled array: ");
for (int num : numbers) {
System.out.print((num * 2) + " ");
}
System.out.println();
// Method example
System.out.println("Factorial of 5 = " + factorial(5));
}
public static int factorial(int n) {
if (n <= 1) return 1;
return n * factorial(n - 1);
}
}`,
input: ''
},
'hello-cpp': {
code: `#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main() {
cout << "Hello, World!" << endl;
cout << "Welcome to Multi-Language Code Executor!" << endl;
// Simple calculation
int sum = 2 + 3;
cout << "2 + 3 = " << sum << endl;
// Vector processing
vector<int> numbers = {1, 2, 3, 4, 5};
cout << "Original vector: ";
for (int num : numbers) {
cout << num << " ";
}
cout << endl;
// Transform vector (double each element)
transform(numbers.begin(), numbers.end(), numbers.begin(),
[](int n) { return n * 2; });
cout << "Doubled vector: ";
for (int num : numbers) {
cout << num << " ";
}
cout << endl;
return 0;
}`,
input: ''
},
'input-py': {
code: `# Example with user input
name = input("What's your name? ")
age = int(input("What's your age? "))
print(f"Hello, {name}!")
print(f"You are {age} years old.")
if age >= 18:
print("You are an adult.")
else:
print("You are a minor.")
# Calculate birth year (approximate)
from datetime import datetime
current_year = datetime.now().year
birth_year = current_year - age
print(f"You were probably born in {birth_year}.")`,
input: `John Doe
25`
}
};
}
loadExample(exampleKey) {
const example = this.examples[exampleKey];
if (example) {
this.elements.codeEditor.value = example.code;
this.elements.inputData.value = example.input;
}
}
showError(message) {
const errorDiv = document.createElement('div');
errorDiv.className = 'error-message';
errorDiv.textContent = message;
// Insert after API config
const apiConfig = document.querySelector('.api-config');
apiConfig.parentNode.insertBefore(errorDiv, apiConfig.nextSibling);