refractor/lang/http.js

Lightweight, robust, elegant virtual syntax highlighting using Prism

'use strict';

module.exports = http;
http.displayName = 'http';
http.aliases = [];
function http(Prism) {
  Prism.languages.http = {
    'request-line': {
      pattern: /^(?:POST|GET|PUT|DELETE|OPTIONS|PATCH|TRACE|CONNECT)\shttps?:\/\/\S+\sHTTP\/[0-9.]+/m,
      inside: {
        // HTTP Verb
        property: /^(?:POST|GET|PUT|DELETE|OPTIONS|PATCH|TRACE|CONNECT)\b/,
        // Path or query argument
        'attr-name': /:\w+/
      }
    },
    'response-status': {
      pattern: /^HTTP\/1.[01] \d+.*/m,
      inside: {
        // Status, e.g. 200 OK
        property: {
          pattern: /(^HTTP\/1.[01] )\d+.*/i,
          lookbehind: true
        }
      }
    },
    // HTTP header name
    'header-name': {
      pattern: /^[\w-]+:(?=.)/m,
      alias: 'keyword'
    }
  };
  // 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]*?)(?:\\r?\\n|\\r){2}[\\w\\W]*',
          'i'
        ),
        lookbehind: true,
        inside: {
          rest: httpLanguages[contentType]
        }
      };
      Prism.languages.insertBefore('http', 'header-name', options);
    }
  }
}