Prism.languages.http = {
    'request-line': {
        pattern: /^(POST|GET|PUT|DELETE|OPTIONS|PATCH|TRACE|CONNECT)\b\shttps?:\/\/\S+\sHTTP\/[0-9.]+/,
        inside: {
            // HTTP Verb
            property: /^\b(POST|GET|PUT|DELETE|OPTIONS|PATCH|TRACE|CONNECT)\b/,
            // Path or query argument
            'attr-name': /:\w+/
        }
    },
    'response-status': {
        pattern: /^HTTP\/1.[01] [0-9]+.*/,
        inside: {
            // Status, e.g. 200 OK
            property: /[0-9]+[A-Z\s-]+$/i
        }
    },
    // HTTP header name
    keyword: /^[\w-]+:(?=.+)/m
};

// Create a mapping of Content-Type headers to language definitions
var httpLanguages = {
    'application/json': Prism.languages.javascript,
    'application/xml': Prism.languages.markup,
    'text/xml': Prism.languages.markup,
    'text/html': Prism.languages.markup
};

// Insert each content type parser that has its associated language
// currently loaded.
for (var contentType in httpLanguages) {
    if (httpLanguages[contentType]) {
        var options = {};
        options[contentType] = {
            pattern: new RegExp('(content-type:\\s*' + contentType + '[\\w\\W]*?)\\n\\n[\\w\\W]*', 'i'),
            lookbehind: true,
            inside: {
                rest: httpLanguages[contentType]
            }
        };
        Prism.languages.insertBefore('http', 'keyword', options);
    }
}