'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
exports.SPECIAL_HEADERS =
  exports.MINOR =
  exports.MAJOR =
  exports.HTAB_SP_VCHAR_OBS_TEXT =
  exports.QUOTED_STRING =
  exports.CONNECTION_TOKEN_CHARS =
  exports.HEADER_CHARS =
  exports.TOKEN =
  exports.HEX =
  exports.URL_CHAR =
  exports.USERINFO_CHARS =
  exports.MARK =
  exports.ALPHANUM =
  exports.NUM =
  exports.HEX_MAP =
  exports.NUM_MAP =
  exports.ALPHA =
  exports.STATUSES_HTTP =
  exports.H_METHOD_MAP =
  exports.METHOD_MAP =
  exports.METHODS_RTSP =
  exports.METHODS_ICE =
  exports.METHODS_HTTP =
  exports.HEADER_STATE =
  exports.FINISH =
  exports.STATUSES =
  exports.METHODS =
  exports.LENIENT_FLAGS =
  exports.FLAGS =
  exports.TYPE =
  exports.ERROR =
    void 0;
const utils_1 = require('./utils');
// Emums
exports.ERROR = {
  OK: 0,
  INTERNAL: 1,
  STRICT: 2,
  CR_EXPECTED: 25,
  LF_EXPECTED: 3,
  UNEXPECTED_CONTENT_LENGTH: 4,
  UNEXPECTED_SPACE: 30,
  CLOSED_CONNECTION: 5,
  INVALID_METHOD: 6,
  INVALID_URL: 7,
  INVALID_CONSTANT: 8,
  INVALID_VERSION: 9,
  INVALID_HEADER_TOKEN: 10,
  INVALID_CONTENT_LENGTH: 11,
  INVALID_CHUNK_SIZE: 12,
  INVALID_STATUS: 13,
  INVALID_EOF_STATE: 14,
  INVALID_TRANSFER_ENCODING: 15,
  CB_MESSAGE_BEGIN: 16,
  CB_HEADERS_COMPLETE: 17,
  CB_MESSAGE_COMPLETE: 18,
  CB_CHUNK_HEADER: 19,
  CB_CHUNK_COMPLETE: 20,
  PAUSED: 21,
  PAUSED_UPGRADE: 22,
  PAUSED_H2_UPGRADE: 23,
  USER: 24,
  CB_URL_COMPLETE: 26,
  CB_STATUS_COMPLETE: 27,
  CB_METHOD_COMPLETE: 32,
  CB_VERSION_COMPLETE: 33,
  CB_HEADER_FIELD_COMPLETE: 28,
  CB_HEADER_VALUE_COMPLETE: 29,
  CB_CHUNK_EXTENSION_NAME_COMPLETE: 34,
  CB_CHUNK_EXTENSION_VALUE_COMPLETE: 35,
  CB_RESET: 31,
};
exports.TYPE = {
  BOTH: 0, // default
  REQUEST: 1,
  RESPONSE: 2,
};
exports.FLAGS = {
  CONNECTION_KEEP_ALIVE: 1 << 0,
  CONNECTION_CLOSE: 1 << 1,
  CONNECTION_UPGRADE: 1 << 2,
  CHUNKED: 1 << 3,
  UPGRADE: 1 << 4,
  CONTENT_LENGTH: 1 << 5,
  SKIPBODY: 1 << 6,
  TRAILING: 1 << 7,
  // 1 << 8 is unused
  TRANSFER_ENCODING: 1 << 9,
};
exports.LENIENT_FLAGS = {
  HEADERS: 1 << 0,
  CHUNKED_LENGTH: 1 << 1,
  KEEP_ALIVE: 1 << 2,
  TRANSFER_ENCODING: 1 << 3,
  VERSION: 1 << 4,
  DATA_AFTER_CLOSE: 1 << 5,
  OPTIONAL_LF_AFTER_CR: 1 << 6,
  OPTIONAL_CRLF_AFTER_CHUNK: 1 << 7,
  OPTIONAL_CR_BEFORE_LF: 1 << 8,
  SPACES_AFTER_CHUNK_SIZE: 1 << 9,
};
exports.METHODS = {
  DELETE: 0,
  GET: 1,
  HEAD: 2,
  POST: 3,
  PUT: 4,
  /* pathological */
  CONNECT: 5,
  OPTIONS: 6,
  TRACE: 7,
  /* WebDAV */
  COPY: 8,
  LOCK: 9,
  MKCOL: 10,
  MOVE: 11,
  PROPFIND: 12,
  PROPPATCH: 13,
  SEARCH: 14,
  UNLOCK: 15,
  BIND: 16,
  REBIND: 17,
  UNBIND: 18,
  ACL: 19,
  /* subversion */
  REPORT: 20,
  MKACTIVITY: 21,
  CHECKOUT: 22,
  MERGE: 23,
  /* upnp */
  'M-SEARCH': 24,
  NOTIFY: 25,
  SUBSCRIBE: 26,
  UNSUBSCRIBE: 27,
  /* RFC-5789 */
  PATCH: 28,
  PURGE: 29,
  /* CalDAV */
  MKCALENDAR: 30,
  /* RFC-2068, section 19.6.1.2 */
  LINK: 31,
  UNLINK: 32,
  /* icecast */
  SOURCE: 33,
  /* RFC-7540, section 11.6 */
  PRI: 34,
  /* RFC-2326 RTSP */
  DESCRIBE: 35,
  ANNOUNCE: 36,
  SETUP: 37,
  PLAY: 38,
  PAUSE: 39,
  TEARDOWN: 40,
  GET_PARAMETER: 41,
  SET_PARAMETER: 42,
  REDIRECT: 43,
  RECORD: 44,
  /* RAOP */
  FLUSH: 45,
  /* DRAFT https://www.ietf.org/archive/id/draft-ietf-httpbis-safe-method-w-body-02.html */
  QUERY: 46,
};
exports.STATUSES = {
  CONTINUE: 100,
  SWITCHING_PROTOCOLS: 101,
  PROCESSING: 102,
  EARLY_HINTS: 103,
  RESPONSE_IS_STALE: 110, // Unofficial
  REVALIDATION_FAILED: 111, // Unofficial
  DISCONNECTED_OPERATION: 112, // Unofficial
  HEURISTIC_EXPIRATION: 113, // Unofficial
  MISCELLANEOUS_WARNING: 199, // Unofficial
  OK: 200,
  CREATED: 201,
  ACCEPTED: 202,
  NON_AUTHORITATIVE_INFORMATION: 203,
  NO_CONTENT: 204,
  RESET_CONTENT: 205,
  PARTIAL_CONTENT: 206,
  MULTI_STATUS: 207,
  ALREADY_REPORTED: 208,
  TRANSFORMATION_APPLIED: 214, // Unofficial
  IM_USED: 226,
  MISCELLANEOUS_PERSISTENT_WARNING: 299, // Unofficial
  MULTIPLE_CHOICES: 300,
  MOVED_PERMANENTLY: 301,
  FOUND: 302,
  SEE_OTHER: 303,
  NOT_MODIFIED: 304,
  USE_PROXY: 305,
  SWITCH_PROXY: 306, // No longer used
  TEMPORARY_REDIRECT: 307,
  PERMANENT_REDIRECT: 308,
  BAD_REQUEST: 400,
  UNAUTHORIZED: 401,
  PAYMENT_REQUIRED: 402,
  FORBIDDEN: 403,
  NOT_FOUND: 404,
  METHOD_NOT_ALLOWED: 405,
  NOT_ACCEPTABLE: 406,
  PROXY_AUTHENTICATION_REQUIRED: 407,
  REQUEST_TIMEOUT: 408,
  CONFLICT: 409,
  GONE: 410,
  LENGTH_REQUIRED: 411,
  PRECONDITION_FAILED: 412,
  PAYLOAD_TOO_LARGE: 413,
  URI_TOO_LONG: 414,
  UNSUPPORTED_MEDIA_TYPE: 415,
  RANGE_NOT_SATISFIABLE: 416,
  EXPECTATION_FAILED: 417,
  IM_A_TEAPOT: 418,
  PAGE_EXPIRED: 419, // Unofficial
  ENHANCE_YOUR_CALM: 420, // Unofficial
  MISDIRECTED_REQUEST: 421,
  UNPROCESSABLE_ENTITY: 422,
  LOCKED: 423,
  FAILED_DEPENDENCY: 424,
  TOO_EARLY: 425,
  UPGRADE_REQUIRED: 426,
  PRECONDITION_REQUIRED: 428,
  TOO_MANY_REQUESTS: 429,
  REQUEST_HEADER_FIELDS_TOO_LARGE_UNOFFICIAL: 430, // Unofficial
  REQUEST_HEADER_FIELDS_TOO_LARGE: 431,
  LOGIN_TIMEOUT: 440, // Unofficial
  NO_RESPONSE: 444, // Unofficial
  RETRY_WITH: 449, // Unofficial
  BLOCKED_BY_PARENTAL_CONTROL: 450, // Unofficial
  UNAVAILABLE_FOR_LEGAL_REASONS: 451,
  CLIENT_CLOSED_LOAD_BALANCED_REQUEST: 460, // Unofficial
  INVALID_X_FORWARDED_FOR: 463, // Unofficial
  REQUEST_HEADER_TOO_LARGE: 494, // Unofficial
  SSL_CERTIFICATE_ERROR: 495, // Unofficial
  SSL_CERTIFICATE_REQUIRED: 496, // Unofficial
  HTTP_REQUEST_SENT_TO_HTTPS_PORT: 497, // Unofficial
  INVALID_TOKEN: 498, // Unofficial
  CLIENT_CLOSED_REQUEST: 499, // Unofficial
  INTERNAL_SERVER_ERROR: 500,
  NOT_IMPLEMENTED: 501,
  BAD_GATEWAY: 502,
  SERVICE_UNAVAILABLE: 503,
  GATEWAY_TIMEOUT: 504,
  HTTP_VERSION_NOT_SUPPORTED: 505,
  VARIANT_ALSO_NEGOTIATES: 506,
  INSUFFICIENT_STORAGE: 507,
  LOOP_DETECTED: 508,
  BANDWIDTH_LIMIT_EXCEEDED: 509,
  NOT_EXTENDED: 510,
  NETWORK_AUTHENTICATION_REQUIRED: 511,
  WEB_SERVER_UNKNOWN_ERROR: 520, // Unofficial
  WEB_SERVER_IS_DOWN: 521, // Unofficial
  CONNECTION_TIMEOUT: 522, // Unofficial
  ORIGIN_IS_UNREACHABLE: 523, // Unofficial
  TIMEOUT_OCCURED: 524, // Unofficial
  SSL_HANDSHAKE_FAILED: 525, // Unofficial
  INVALID_SSL_CERTIFICATE: 526, // Unofficial
  RAILGUN_ERROR: 527, // Unofficial
  SITE_IS_OVERLOADED: 529, // Unofficial
  SITE_IS_FROZEN: 530, // Unofficial
  IDENTITY_PROVIDER_AUTHENTICATION_ERROR: 561, // Unofficial
  NETWORK_READ_TIMEOUT: 598, // Unofficial
  NETWORK_CONNECT_TIMEOUT: 599, // Unofficial
};
exports.FINISH = {
  SAFE: 0,
  SAFE_WITH_CB: 1,
  UNSAFE: 2,
};
exports.HEADER_STATE = {
  GENERAL: 0,
  CONNECTION: 1,
  CONTENT_LENGTH: 2,
  TRANSFER_ENCODING: 3,
  UPGRADE: 4,
  CONNECTION_KEEP_ALIVE: 5,
  CONNECTION_CLOSE: 6,
  CONNECTION_UPGRADE: 7,
  TRANSFER_ENCODING_CHUNKED: 8,
};
// C headers
exports.METHODS_HTTP = [
  exports.METHODS.DELETE,
  exports.METHODS.GET,
  exports.METHODS.HEAD,
  exports.METHODS.POST,
  exports.METHODS.PUT,
  exports.METHODS.CONNECT,
  exports.METHODS.OPTIONS,
  exports.METHODS.TRACE,
  exports.METHODS.COPY,
  exports.METHODS.LOCK,
  exports.METHODS.MKCOL,
  exports.METHODS.MOVE,
  exports.METHODS.PROPFIND,
  exports.METHODS.PROPPATCH,
  exports.METHODS.SEARCH,
  exports.METHODS.UNLOCK,
  exports.METHODS.BIND,
  exports.METHODS.REBIND,
  exports.METHODS.UNBIND,
  exports.METHODS.ACL,
  exports.METHODS.REPORT,
  exports.METHODS.MKACTIVITY,
  exports.METHODS.CHECKOUT,
  exports.METHODS.MERGE,
  exports.METHODS['M-SEARCH'],
  exports.METHODS.NOTIFY,
  exports.METHODS.SUBSCRIBE,
  exports.METHODS.UNSUBSCRIBE,
  exports.METHODS.PATCH,
  exports.METHODS.PURGE,
  exports.METHODS.MKCALENDAR,
  exports.METHODS.LINK,
  exports.METHODS.UNLINK,
  exports.METHODS.PRI,
  // TODO(indutny): should we allow it with HTTP?
  exports.METHODS.SOURCE,
  exports.METHODS.QUERY,
];
exports.METHODS_ICE = [exports.METHODS.SOURCE];
exports.METHODS_RTSP = [
  exports.METHODS.OPTIONS,
  exports.METHODS.DESCRIBE,
  exports.METHODS.ANNOUNCE,
  exports.METHODS.SETUP,
  exports.METHODS.PLAY,
  exports.METHODS.PAUSE,
  exports.METHODS.TEARDOWN,
  exports.METHODS.GET_PARAMETER,
  exports.METHODS.SET_PARAMETER,
  exports.METHODS.REDIRECT,
  exports.METHODS.RECORD,
  exports.METHODS.FLUSH,
  // For AirPlay
  exports.METHODS.GET,
  exports.METHODS.POST,
];
exports.METHOD_MAP = (0, utils_1.enumToMap)(exports.METHODS);
exports.H_METHOD_MAP = Object.fromEntries(
  Object.entries(exports.METHODS).filter(([k]) => k.startsWith('H'))
);
exports.STATUSES_HTTP = [
  exports.STATUSES.CONTINUE,
  exports.STATUSES.SWITCHING_PROTOCOLS,
  exports.STATUSES.PROCESSING,
  exports.STATUSES.EARLY_HINTS,
  exports.STATUSES.RESPONSE_IS_STALE,
  exports.STATUSES.REVALIDATION_FAILED,
  exports.STATUSES.DISCONNECTED_OPERATION,
  exports.STATUSES.HEURISTIC_EXPIRATION,
  exports.STATUSES.MISCELLANEOUS_WARNING,
  exports.STATUSES.OK,
  exports.STATUSES.CREATED,
  exports.STATUSES.ACCEPTED,
  exports.STATUSES.NON_AUTHORITATIVE_INFORMATION,
  exports.STATUSES.NO_CONTENT,
  exports.STATUSES.RESET_CONTENT,
  exports.STATUSES.PARTIAL_CONTENT,
  exports.STATUSES.MULTI_STATUS,
  exports.STATUSES.ALREADY_REPORTED,
  exports.STATUSES.TRANSFORMATION_APPLIED,
  exports.STATUSES.IM_USED,
  exports.STATUSES.MISCELLANEOUS_PERSISTENT_WARNING,
  exports.STATUSES.MULTIPLE_CHOICES,
  exports.STATUSES.MOVED_PERMANENTLY,
  exports.STATUSES.FOUND,
  exports.STATUSES.SEE_OTHER,
  exports.STATUSES.NOT_MODIFIED,
  exports.STATUSES.USE_PROXY,
  exports.STATUSES.SWITCH_PROXY,
  exports.STATUSES.TEMPORARY_REDIRECT,
  exports.STATUSES.PERMANENT_REDIRECT,
  exports.STATUSES.BAD_REQUEST,
  exports.STATUSES.UNAUTHORIZED,
  exports.STATUSES.PAYMENT_REQUIRED,
  exports.STATUSES.FORBIDDEN,
  exports.STATUSES.NOT_FOUND,
  exports.STATUSES.METHOD_NOT_ALLOWED,
  exports.STATUSES.NOT_ACCEPTABLE,
  exports.STATUSES.PROXY_AUTHENTICATION_REQUIRED,
  exports.STATUSES.REQUEST_TIMEOUT,
  exports.STATUSES.CONFLICT,
  exports.STATUSES.GONE,
  exports.STATUSES.LENGTH_REQUIRED,
  exports.STATUSES.PRECONDITION_FAILED,
  exports.STATUSES.PAYLOAD_TOO_LARGE,
  exports.STATUSES.URI_TOO_LONG,
  exports.STATUSES.UNSUPPORTED_MEDIA_TYPE,
  exports.STATUSES.RANGE_NOT_SATISFIABLE,
  exports.STATUSES.EXPECTATION_FAILED,
  exports.STATUSES.IM_A_TEAPOT,
  exports.STATUSES.PAGE_EXPIRED,
  exports.STATUSES.ENHANCE_YOUR_CALM,
  exports.STATUSES.MISDIRECTED_REQUEST,
  exports.STATUSES.UNPROCESSABLE_ENTITY,
  exports.STATUSES.LOCKED,
  exports.STATUSES.FAILED_DEPENDENCY,
  exports.STATUSES.TOO_EARLY,
  exports.STATUSES.UPGRADE_REQUIRED,
  exports.STATUSES.PRECONDITION_REQUIRED,
  exports.STATUSES.TOO_MANY_REQUESTS,
  exports.STATUSES.REQUEST_HEADER_FIELDS_TOO_LARGE_UNOFFICIAL,
  exports.STATUSES.REQUEST_HEADER_FIELDS_TOO_LARGE,
  exports.STATUSES.LOGIN_TIMEOUT,
  exports.STATUSES.NO_RESPONSE,
  exports.STATUSES.RETRY_WITH,
  exports.STATUSES.BLOCKED_BY_PARENTAL_CONTROL,
  exports.STATUSES.UNAVAILABLE_FOR_LEGAL_REASONS,
  exports.STATUSES.CLIENT_CLOSED_LOAD_BALANCED_REQUEST,
  exports.STATUSES.INVALID_X_FORWARDED_FOR,
  exports.STATUSES.REQUEST_HEADER_TOO_LARGE,
  exports.STATUSES.SSL_CERTIFICATE_ERROR,
  exports.STATUSES.SSL_CERTIFICATE_REQUIRED,
  exports.STATUSES.HTTP_REQUEST_SENT_TO_HTTPS_PORT,
  exports.STATUSES.INVALID_TOKEN,
  exports.STATUSES.CLIENT_CLOSED_REQUEST,
  exports.STATUSES.INTERNAL_SERVER_ERROR,
  exports.STATUSES.NOT_IMPLEMENTED,
  exports.STATUSES.BAD_GATEWAY,
  exports.STATUSES.SERVICE_UNAVAILABLE,
  exports.STATUSES.GATEWAY_TIMEOUT,
  exports.STATUSES.HTTP_VERSION_NOT_SUPPORTED,
  exports.STATUSES.VARIANT_ALSO_NEGOTIATES,
  exports.STATUSES.INSUFFICIENT_STORAGE,
  exports.STATUSES.LOOP_DETECTED,
  exports.STATUSES.BANDWIDTH_LIMIT_EXCEEDED,
  exports.STATUSES.NOT_EXTENDED,
  exports.STATUSES.NETWORK_AUTHENTICATION_REQUIRED,
  exports.STATUSES.WEB_SERVER_UNKNOWN_ERROR,
  exports.STATUSES.WEB_SERVER_IS_DOWN,
  exports.STATUSES.CONNECTION_TIMEOUT,
  exports.STATUSES.ORIGIN_IS_UNREACHABLE,
  exports.STATUSES.TIMEOUT_OCCURED,
  exports.STATUSES.SSL_HANDSHAKE_FAILED,
  exports.STATUSES.INVALID_SSL_CERTIFICATE,
  exports.STATUSES.RAILGUN_ERROR,
  exports.STATUSES.SITE_IS_OVERLOADED,
  exports.STATUSES.SITE_IS_FROZEN,
  exports.STATUSES.IDENTITY_PROVIDER_AUTHENTICATION_ERROR,
  exports.STATUSES.NETWORK_READ_TIMEOUT,
  exports.STATUSES.NETWORK_CONNECT_TIMEOUT,
];
exports.ALPHA = [];
for (let i = 'A'.charCodeAt(0); i <= 'Z'.charCodeAt(0); i++) {
  // Upper case
  exports.ALPHA.push(String.fromCharCode(i));
  // Lower case
  exports.ALPHA.push(String.fromCharCode(i + 0x20));
}
exports.NUM_MAP = {
  0: 0,
  1: 1,
  2: 2,
  3: 3,
  4: 4,
  5: 5,
  6: 6,
  7: 7,
  8: 8,
  9: 9,
};
exports.HEX_MAP = {
  0: 0,
  1: 1,
  2: 2,
  3: 3,
  4: 4,
  5: 5,
  6: 6,
  7: 7,
  8: 8,
  9: 9,
  A: 0xa,
  B: 0xb,
  C: 0xc,
  D: 0xd,
  E: 0xe,
  F: 0xf,
  a: 0xa,
  b: 0xb,
  c: 0xc,
  d: 0xd,
  e: 0xe,
  f: 0xf,
};
exports.NUM = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'];
exports.ALPHANUM = exports.ALPHA.concat(exports.NUM);
exports.MARK = ['-', '_', '.', '!', '~', '*', "'", '(', ')'];
exports.USERINFO_CHARS = exports.ALPHANUM.concat(exports.MARK).concat([
  '%',
  ';',
  ':',
  '&',
  '=',
  '+',
  '$',
  ',',
]);
// TODO(indutny): use RFC
exports.URL_CHAR = [
  '!',
  '"',
  '$',
  '%',
  '&',
  "'",
  '(',
  ')',
  '*',
  '+',
  ',',
  '-',
  '.',
  '/',
  ':',
  ';',
  '<',
  '=',
  '>',
  '@',
  '[',
  '\\',
  ']',
  '^',
  '_',
  '`',
  '{',
  '|',
  '}',
  '~',
].concat(exports.ALPHANUM);
exports.HEX = exports.NUM.concat([
  'a',
  'b',
  'c',
  'd',
  'e',
  'f',
  'A',
  'B',
  'C',
  'D',
  'E',
  'F',
]);
/* Tokens as defined by rfc 2616. Also lowercases them.
 *        token       = 1*<any CHAR except CTLs or separators>
 *     separators     = "(" | ")" | "<" | ">" | "@"
 *                    | "," | ";" | ":" | "\" | <">
 *                    | "/" | "[" | "]" | "?" | "="
 *                    | "{" | "}" | SP | HT
 */
exports.TOKEN = [
  '!',
  '#',
  '$',
  '%',
  '&',
  "'",
  '*',
  '+',
  '-',
  '.',
  '^',
  '_',
  '`',
  '|',
  '~',
].concat(exports.ALPHANUM);
/*
 * Verify that a char is a valid visible (printable) US-ASCII
 * character or %x80-FF
 */
exports.HEADER_CHARS = ['\t'];
for (let i = 32; i <= 255; i++) {
  if (i !== 127) {
    exports.HEADER_CHARS.push(i);
  }
}
// ',' = \x44
exports.CONNECTION_TOKEN_CHARS = exports.HEADER_CHARS.filter((c) => c !== 44);
exports.QUOTED_STRING = ['\t', ' '];
for (let i = 0x21; i <= 0xff; i++) {
  if (i !== 0x22 && i !== 0x5c) {
    // All characters in ASCII except \ and "
    exports.QUOTED_STRING.push(i);
  }
}
exports.HTAB_SP_VCHAR_OBS_TEXT = ['\t', ' '];
// VCHAR: https://tools.ietf.org/html/rfc5234#appendix-B.1
for (let i = 0x21; i <= 0x7e; i++) {
  exports.HTAB_SP_VCHAR_OBS_TEXT.push(i);
}
// OBS_TEXT: https://datatracker.ietf.org/doc/html/rfc9110#name-collected-abnf
for (let i = 0x80; i <= 0xff; i++) {
  exports.HTAB_SP_VCHAR_OBS_TEXT.push(i);
}
exports.MAJOR = exports.NUM_MAP;
exports.MINOR = exports.MAJOR;
exports.SPECIAL_HEADERS = {
  connection: exports.HEADER_STATE.CONNECTION,
  'content-length': exports.HEADER_STATE.CONTENT_LENGTH,
  'proxy-connection': exports.HEADER_STATE.CONNECTION,
  'transfer-encoding': exports.HEADER_STATE.TRANSFER_ENCODING,
  upgrade: exports.HEADER_STATE.UPGRADE,
};
//# sourceMappingURL=constants.js.map