MediaWiki:Common.js: Difference between revisions

Revision as of 11:29, 18 January 2025

// Add csharp class to all <pre> tags
document.querySelectorAll("pre").forEach(pre => pre.classList.add("csharp"));

// Define C# keywords
const csharpKeywords = [
    "abstract", "as", "base", "bool", "break", "byte", "case", "catch", "char", "checked",
    "class", "const", "continue", "decimal", "default", "delegate", "do", "double", "else", "enum", 
    "event", "explicit", "extern", "false", "finally", "fixed", "float", "for", "foreach", 
    "goto", "if", "implicit", "in", "int", "interface", "internal", "is", "lock", "long", "namespace", 
    "new", "null", "object", "operator", "out", "override", "params", "private", "protected", 
    "public", "readonly", "ref", "return", "sbyte", "sealed", "short", "sizeof", "stackalloc", 
    "static", "string", "struct", "switch", "this", "throw", "true", "try", "typeof", "uint", 
    "ulong", "unchecked", "unsafe", "ushort", "using", "virtual", "void", "volatile", "while"
];

// Highlight C# keywords
document.querySelectorAll("pre.csharp").forEach(pre => {
    let code = pre.innerHTML;
    const regex = new RegExp(`\\b(${csharpKeywords.join("|")})\\b`, "g");
    code = code.replace(regex, '<span class="csharp-keyword">$1</span>');
    pre.innerHTML = code;
});


// Define C# types
const csharpTypes = [
    "int", "long", "float", "double", "decimal", "char", "string", "bool", "byte", "object", 
    "void", "var", "dynamic", "sbyte", "ushort", "uint", "ulong"
];

// Highlight C# types
document.querySelectorAll("pre.csharp").forEach(pre => {
    let code = pre.innerHTML;
    const regexTypes = new RegExp(`\\b(${csharpTypes.join("|")})\\b`, "g");
    code = code.replace(regexTypes, '<span class="csharp-type">$1</span>');
    pre.innerHTML = code;
});

// Highlight C# method names
document.querySelectorAll("pre.csharp").forEach(pre => {
    let code = pre.innerHTML;

    // Define the regex pattern for method names (excluding C# keywords and types)
    const regexMethods = /\b([a-zA-Z_][a-zA-Z0-9_]*)\s*(?=\()/g;
    
    // Apply the method name highlighting
    code = code.replace(regexMethods, '<span class="csharp-method">$1</span>');
    
    pre.innerHTML = code;
});



// Define an array of keywords already identified earlier
const csharpKeywords = ['public', 'private', 'protected', 'class', 'void', 'int', 'string', 'for', 'if', 'else'];

// Function to check if a word is a keyword
function isKeyword(word) {
    return csharpKeywords.includes(word);
}

// Function to check if a word looks like a variable (e.g., camelCase)
function isVariable(word) {
    return /^[a-z][a-zA-Z0-9]*$/.test(word);
}

// Highlight C# code
document.querySelectorAll("pre.csharp").forEach(pre => {
    let code = pre.innerHTML;

    // 1. First pass: Highlight keywords (to avoid interfering with class names or properties)
    const regexKeywords = /\b([a-zA-Z_][a-zA-Z0-9_]*)\b/g;
    code = code.replace(regexKeywords, (match, p1) => {
        return isKeyword(p1) ? `<span class="csharp-keyword">${p1}</span>` : p1;
    });

    // 2. Second pass: Highlight class names (PascalCase)
    const regexClasses = /\b([A-Z][a-zA-Z0-9_]*)\b/g;
    code = code.replace(regexClasses, (match, p1) => {
        return isKeyword(p1) ? p1 : `<span class="csharp-class">${p1}</span>`;
    });

    // 3. Third pass: Highlight properties (PascalCase followed by { for C# properties)
    const regexProperties = /\b([a-zA-Z_][a-zA-Z0-9_]*)\s*(?=\s*{)/g;
    code = code.replace(regexProperties, (match, p1) => {
        return isKeyword(p1) || isVariable(p1) ? p1 : `<span class="csharp-property">${p1}</span>`;
    });

    pre.innerHTML = code;
});