diff options
Diffstat (limited to 'lib/url.js')
| -rw-r--r-- | lib/url.js | 1566 |
1 files changed, 518 insertions, 1048 deletions
diff --git a/lib/url.js b/lib/url.js index f5edd89333..1683f90503 100644 --- a/lib/url.js +++ b/lib/url.js @@ -10,62 +10,60 @@ exports.format = urlFormat; exports.Url = Url; function Url() { - // For more efficient internal representation and laziness. - // The non-underscore versions of these properties are accessor functions - // defined on the prototype. - this._protocol = null; - this._port = -1; - this._query = null; - this._auth = null; - this._hostname = null; - this._host = null; - this._pathname = null; - this._hash = null; - this._search = null; - this._href = ''; - - this._prependSlash = false; - this._parsesQueryStrings = false; - + this.protocol = null; this.slashes = null; + this.auth = null; + this.host = null; + this.port = null; + this.hostname = null; + this.hash = null; + this.search = null; + this.query = null; + this.pathname = null; + this.path = null; + this.href = null; } // Reference: RFC 3986, RFC 1808, RFC 2396 -const _protocolCharacters = makeAsciiTable([ - [0x61, 0x7A] /*a-z*/, - [0x41, 0x5A] /*A-Z*/, - 0x2E /*'.'*/, 0x2B /*'+'*/, 0x2D /*'-'*/ -]); +// define these here so at least they only have to be +// compiled once on the first module load. +const protocolPattern = /^([a-z0-9.+-]+:)/i; +const portPattern = /:[0-9]*$/; + +// Special case for a simple path URL +const simplePathPattern = /^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/; // RFC 2396: characters reserved for delimiting URLs. // We actually just auto-escape these. -// RFC 2396: characters not allowed for various reasons. -// Allowed by RFCs, but cause of XSS attacks. Always escape these. -const _autoEscape = [ - '<', '>', '\'', '`', ' ', '\r', '\n', '\t', '{', '}', '|', '\\', '^', '`', '"' -]; +const delims = ['<', '>', '"', '`', ' ', '\r', '\n', '\t']; -const _autoEscapeMap = new Array(128); - -for (let i = 0, len = _autoEscapeMap.length; i < len; ++i) { - _autoEscapeMap[i] = ''; -} - -for (let i = 0, len = _autoEscape.length; i < len; ++i) { - let c = _autoEscape[i]; - let esc = encodeURIComponent(c); - if (esc === c) - esc = escape(c); - _autoEscapeMap[c.charCodeAt(0)] = esc; -} +// RFC 2396: characters not allowed for various reasons. +const unwise = ['{', '}', '|', '\\', '^', '`'].concat(delims); -// Same as autoEscapeMap except \ is not escaped but is turned into /. -const _afterQueryAutoEscapeMap = _autoEscapeMap.slice(); -_autoEscapeMap[0x5C /*'\'*/] = '/'; +// Allowed by RFCs, but cause of XSS attacks. Always escape these. +const autoEscape = ['\''].concat(unwise); -// Protocols that always contain a // bit. -const _slashProtocols = { +// Characters that are never ever allowed in a hostname. +// Note that any invalid chars are also handled, but these +// are the ones that are *expected* to be seen, so we fast-path them. +const nonHostChars = ['%', '/', '?', ';', '#'].concat(autoEscape); +const hostEndingChars = ['/', '?', '#']; +const hostnameMaxLen = 255; +const hostnamePartPattern = /^[+a-z0-9A-Z_-]{0,63}$/; +const hostnamePartStart = /^([+a-z0-9A-Z_-]{0,63})(.*)$/; +// protocols that can allow "unsafe" and "unwise" chars. +const unsafeProtocol = { + 'javascript': true, + 'javascript:': true +}; +// protocols that never have a hostname. +const hostlessProtocol = { + 'javascript': true, + 'javascript:': true +}; +// protocols that always contain a // bit. +const slashedProtocol = { 'http': true, 'https': true, 'ftp': true, @@ -77,180 +75,355 @@ const _slashProtocols = { 'gopher:': true, 'file:': true }; - -const _autoEscapeCharacters = makeAsciiTable(_autoEscape.map(function(v) { - return v.charCodeAt(0); -})); - -// Characters that are never ever allowed in a hostname. -// Note that any invalid chars are also handled, but these -// are the ones that are *expected* to be seen, so we fast-path them. -const _hostEndingCharacters = makeAsciiTable( - ['#', '?', '/', '\\'].map(function(v) { - return v.charCodeAt(0); - })); -// If these characters end a host name, the path will not be prepended a /. -const _hostEndingCharactersNoPrependSlash = makeAsciiTable([ - '<', '>', '"', '`', ' ', '\r', '\n', '\t', '{', '}', '|', '^', '`', '\'', '%', - ';' -].map(function(v) { - return v.charCodeAt(0); -})); - const querystring = require('querystring'); -const unserializablePropertyNames = ['_protocol', '_port', '_href', '_query', - '_prependSlash', '_auth', '_hostname', - '_pathname', '_hash', '_search', - '_parsesQueryStrings', '_host']; -const noSerializePattern = new RegExp('^(?:' + - unserializablePropertyNames.join('|') + - ')$'); - function urlParse(url, parseQueryString, slashesDenoteHost) { if (url instanceof Url) return url; - var u = new Url(); + var u = new Url; u.parse(url, parseQueryString, slashesDenoteHost); return u; } -Url.prototype.parse = function(str, parseQueryString, hostDenotesSlash) { - if (typeof str !== 'string') { - throw new TypeError(`Parameter 'url' must be a string, not ` + - typeof str); +Url.prototype.parse = function(url, parseQueryString, slashesDenoteHost) { + if (typeof url !== 'string') { + throw new TypeError("Parameter 'url' must be a string, not " + typeof url); + } + + // Copy chrome, IE, opera backslash-handling behavior. + // Back slashes before the query string get converted to forward slashes + // See: https://code.google.com/p/chromium/issues/detail?id=25916 + var queryIndex = url.indexOf('?'), + splitter = + (queryIndex !== -1 && queryIndex < url.indexOf('#')) ? '?' : '#', + uSplit = url.split(splitter), + slashRegex = /\\/g; + uSplit[0] = uSplit[0].replace(slashRegex, '/'); + url = uSplit.join(splitter); + + var rest = url; + + // trim before proceeding. + // This is to support parse stuff like " http://foo.com \n" + rest = rest.trim(); + + if (!slashesDenoteHost && url.split('#').length === 1) { + // Try fast path regexp + var simplePath = simplePathPattern.exec(rest); + if (simplePath) { + this.path = rest; + this.href = rest; + this.pathname = simplePath[1]; + if (simplePath[2]) { + this.search = simplePath[2]; + if (parseQueryString) { + this.query = querystring.parse(this.search.substr(1)); + } else { + this.query = this.search.substr(1); + } + } else if (parseQueryString) { + this.search = ''; + this.query = {}; + } + return this; + } } - // The field's value must always be an actual boolean. - this._parsesQueryStrings = !!parseQueryString; - var start = 0; - var end = str.length - 1; - - // Trim leading and trailing ws. - while (str.charCodeAt(start) <= 0x20 /*' '*/) start++; - var trimmedStart = start; - while (str.charCodeAt(end) <= 0x20 /*' '*/) end--; - - start = this._parseProtocol(str, start, end); - - // Javascript doesn't have host. - if (this._protocol !== 'javascript') { - start = this._parseHost(str, trimmedStart, start, end, hostDenotesSlash); - var proto = this._protocol; - if (!this._hostname && - (this.slashes || (proto && !_slashProtocols[proto]))) - this._hostname = this._host = ''; + + var proto = protocolPattern.exec(rest); + if (proto) { + proto = proto[0]; + var lowerProto = proto.toLowerCase(); + this.protocol = lowerProto; + rest = rest.substr(proto.length); } - if (start <= end) { - var ch = str.charCodeAt(start); - if (ch === 0x2F /*'/'*/ || ch === 0x5C /*'\'*/) - this._parsePath(str, start, end); - else if (ch === 0x3F /*'?'*/) - this._parseQuery(str, start, end); - else if (ch === 0x23 /*'#'*/) - this._parseHash(str, start, end); - else if (this._protocol !== 'javascript') - this._parsePath(str, start, end); - else // For javascript the pathname is just the rest of it. - this._pathname = str.slice(start, end + 1); + // figure out if it's got a host + // user@server is *always* interpreted as a hostname, and url + // resolution will treat //foo/bar as host=foo,path=bar because that's + // how the browser resolves relative URLs. + if (slashesDenoteHost || proto || rest.match(/^\/\/[^@\/]+@[^@\/]+/)) { + var slashes = rest.substr(0, 2) === '//'; + if (slashes && !(proto && hostlessProtocol[proto])) { + rest = rest.substr(2); + this.slashes = true; + } + } + + if (!hostlessProtocol[proto] && + (slashes || (proto && !slashedProtocol[proto]))) { + + // there's a hostname. + // the first instance of /, ?, ;, or # ends the host. + // + // If there is an @ in the hostname, then non-host chars *are* allowed + // to the left of the last @ sign, unless some host-ending character + // comes *before* the @-sign. + // URLs are obnoxious. + // + // ex: + // http://a@b@c/ => user:a@b host:c + // http://a@b?@c => user:a host:c path:/?@c + + // v0.12 TODO(isaacs): This is not quite how Chrome does things. + // Review our test case against browsers more comprehensively. + + // find the first instance of any hostEndingChars + var hostEnd = -1; + for (var i = 0; i < hostEndingChars.length; i++) { + var hec = rest.indexOf(hostEndingChars[i]); + if (hec !== -1 && (hostEnd === -1 || hec < hostEnd)) + hostEnd = hec; + } + + // at this point, either we have an explicit point where the + // auth portion cannot go past, or the last @ char is the decider. + var auth, atSign; + if (hostEnd === -1) { + // atSign can be anywhere. + atSign = rest.lastIndexOf('@'); + } else { + // atSign must be in auth portion. + // http://a@b/c@d => host:b auth:a path:/c@d + atSign = rest.lastIndexOf('@', hostEnd); + } + + // Now we have a portion which is definitely the auth. + // Pull that off. + if (atSign !== -1) { + auth = rest.slice(0, atSign); + rest = rest.slice(atSign + 1); + this.auth = decodeURIComponent(auth); + } + + // the host is the remaining to the left of the first non-host char + hostEnd = -1; + for (var i = 0; i < nonHostChars.length; i++) { + var hec = rest.indexOf(nonHostChars[i]); + if (hec !== -1 && (hostEnd === -1 || hec < hostEnd)) + hostEnd = hec; + } + // if we still have not hit it, then the entire thing is a host. + if (hostEnd === -1) + hostEnd = rest.length; + + this.host = rest.slice(0, hostEnd); + rest = rest.slice(hostEnd); + + // pull out port. + this.parseHost(); + + // we've indicated that there is a hostname, + // so even if it's empty, it has to be present. + this.hostname = this.hostname || ''; + + // if hostname begins with [ and ends with ] + // assume that it's an IPv6 address. + var ipv6Hostname = this.hostname[0] === '[' && + this.hostname[this.hostname.length - 1] === ']'; + + // validate a little. + if (!ipv6Hostname) { + var hostparts = this.hostname.split(/\./); + for (var i = 0, l = hostparts.length; i < l; i++) { + var part = hostparts[i]; + if (!part) continue; + if (!part.match(hostnamePartPattern)) { + var newpart = ''; + for (var j = 0, k = part.length; j < k; j++) { + if (part.charCodeAt(j) > 127) { + // we replace non-ASCII char with a temporary placeholder + // we need this to make sure size of hostname is not + // broken by replacing non-ASCII by nothing + newpart += 'x'; + } else { + newpart += part[j]; + } + } + // we test again with ASCII char only + if (!newpart.match(hostnamePartPattern)) { + var validParts = hostparts.slice(0, i); + var notHost = hostparts.slice(i + 1); + var bit = part.match(hostnamePartStart); + if (bit) { + validParts.push(bit[1]); + notHost.unshift(bit[2]); + } + if (notHost.length) { + rest = '/' + notHost.join('.') + rest; + } + this.hostname = validParts.join('.'); + break; + } + } + } + } + + if (this.hostname.length > hostnameMaxLen) { + this.hostname = ''; + } else { + // hostnames are always lower case. + this.hostname = this.hostname.toLowerCase(); + } + + if (!ipv6Hostname) { + // IDNA Support: Returns a punycoded representation of "domain". + // It only converts parts of the domain name that + // have non-ASCII characters, i.e. it doesn't matter if + // you call it with a domain that already is ASCII-only. + this.hostname = punycode.toASCII(this.hostname); + } + + var p = this.port ? ':' + this.port : ''; + var h = this.hostname || ''; + this.host = h + p; + + // strip [ and ] from the hostname + // the host field still retains them, though + if (ipv6Hostname) { + this.hostname = this.hostname.substr(1, this.hostname.length - 2); + if (rest[0] !== '/') { + rest = '/' + rest; + } + } } - if (!this._pathname && this._hostname && _slashProtocols[this._protocol]) - this._pathname = '/'; - - if (parseQueryString) { - var search = this._search; - if (search == null) - search = this._search = ''; - if (search.charCodeAt(0) === 0x3F /*'?'*/) - search = search.slice(1); - // This calls a setter function, there is no .query data property. - this.query = querystring.parse(search); + // now rest is set to the post-host stuff. + // chop off any delim chars. + if (!unsafeProtocol[lowerProto]) { + + // First, make 100% sure that any "autoEscape" chars get + // escaped, even if encodeURIComponent doesn't think they + // need to be. + for (var i = 0, l = autoEscape.length; i < l; i++) { + var ae = autoEscape[i]; + if (rest.indexOf(ae) === -1) + continue; + var esc = encodeURIComponent(ae); + if (esc === ae) { + esc = escape(ae); + } + rest = rest.split(ae).join(esc); + } } -}; -function urlResolve(source, relative) { - return urlParse(source, false, true).resolve(relative); -} -Url.prototype.resolve = function(relative) { - return this.resolveObject(urlParse(relative, false, true)).format(); + // chop off from the tail first. + var hash = rest.indexOf('#'); + if (hash !== -1) { + // got a fragment string. + this.hash = rest.substr(hash); + rest = rest.slice(0, hash); + } + var qm = rest.indexOf('?'); + if (qm !== -1) { + this.search = rest.substr(qm); + this.query = rest.substr(qm + 1); + if (parseQueryString) { + this.query = querystring.parse(this.query); + } + rest = rest.slice(0, qm); + } else if (parseQueryString) { + // no query string, but parseQueryString still requested + this.search = ''; + this.query = {}; + } + if (rest) this.pathname = rest; + if (slashedProtocol[lowerProto] && + this.hostname && !this.pathname) { + this.pathname = '/'; + } + + //to support http.request + if (this.pathname || this.search) { + var p = this.pathname || ''; + var s = this.search || ''; + this.path = p + s; + } + + // finally, reconstruct the href based on what has been validated. + this.href = this.format(); + return this; }; -// Format a parsed object into a url string. +// format a parsed object into a url string function urlFormat(obj) { - // Ensure it's an object, and not a string url. + // ensure it's an object, and not a string url. // If it's an obj, this is a no-op. // this way, you can call url_format() on strings // to clean up potentially wonky urls. - if (typeof obj === 'string') { - obj = urlParse(obj); - } else if (typeof obj !== 'object' || obj === null) { - throw new TypeError('Parameter \'urlObj\' must be an object, not ' + + if (typeof obj === 'string') obj = urlParse(obj); + + else if (typeof obj !== 'object' || obj === null) + throw new TypeError("Parameter 'urlObj' must be an object, not " + obj === null ? 'null' : typeof obj); - } else if (!(obj instanceof Url)) { - return Url.prototype.format.call(obj); - } + + else if (!(obj instanceof Url)) return Url.prototype.format.call(obj); return obj.format(); } Url.prototype.format = function() { var auth = this.auth || ''; - if (auth) { auth = encodeURIComponent(auth); auth = auth.replace(/%3A/i, ':'); auth += '@'; } - var protocol = this.protocol || ''; - var pathname = this.pathname || ''; - var hash = this.hash || ''; - var search = this.search || ''; - var query = ''; - var hostname = this.hostname || ''; - var port = this.port || ''; - var host = false; - var scheme = ''; - - // Cache the result of the getter function. - var q = this.query; - if (q !== null && typeof q === 'object') { - query = querystring.stringify(q); + var protocol = this.protocol || '', + pathname = this.pathname || '', + hash = this.hash || '', + host = false, + query = ''; + + if (this.host) { + host = auth + this.host; + } else if (this.hostname) { + host = auth + (this.hostname.indexOf(':') === -1 ? + this.hostname : + '[' + this.hostname + ']'); + if (this.port) { + host += ':' + this.port; + } } - if (!search) { - search = query ? '?' + query : ''; + if (this.query !== null && + typeof this.query === 'object' && + Object.keys(this.query).length) { + query = querystring.stringify(this.query); } - if (protocol && protocol.charCodeAt(protocol.length - 1) !== 0x3A /*':'*/) - protocol += ':'; + var search = this.search || (query && ('?' + query)) || ''; - if (this.host) { - host = auth + this.host; - } else if (hostname) { - host = auth + hostname + (port ? ':' + port : ''); + if (protocol && protocol.substr(-1) !== ':') protocol += ':'; + + // only the slashedProtocols get the //. Not mailto:, xmpp:, etc. + // unless they had them to begin with. + if (this.slashes || + (!protocol || slashedProtocol[protocol]) && host !== false) { + host = '//' + (host || ''); + if (pathname && pathname.charAt(0) !== '/') pathname = '/' + pathname; + } else if (!host) { + host = ''; } - var slashes = this.slashes || - ((!protocol || _slashProtocols[protocol]) && host !== false); + if (hash && hash.charAt(0) !== '#') hash = '#' + hash; + if (search && search.charAt(0) !== '?') search = '?' + search; - if (protocol) scheme = protocol + (slashes ? '//' : ''); - else if (slashes) scheme = '//'; + pathname = pathname.replace(/[?#]/g, function(match) { + return encodeURIComponent(match); + }); + search = search.replace('#', '%23'); - if (slashes && pathname && pathname.charCodeAt(0) !== 0x2F /*'/'*/) { - pathname = '/' + pathname; - } - if (search && search.charCodeAt(0) !== 0x3F /*'?'*/) - search = '?' + search; - if (hash && hash.charCodeAt(0) !== 0x23 /*'#'*/) - hash = '#' + hash; + return protocol + host + pathname + search + hash; +}; - pathname = escapePathName(pathname); - search = escapeSearch(search); +function urlResolve(source, relative) { + return urlParse(source, false, true).resolve(relative); +} - return scheme + (host === false ? '' : host) + pathname + search + hash; +Url.prototype.resolve = function(relative) { + return this.resolveObject(urlParse(relative, false, true)).format(); }; function urlResolveObject(source, relative) { @@ -259,35 +432,51 @@ function urlResolveObject(source, relative) { } Url.prototype.resolveObject = function(relative) { - if (typeof relative === 'string') - relative = urlParse(relative, false, true); + if (typeof relative === 'string') { + var rel = new Url(); + rel.parse(relative, false, true); + relative = rel; + } - var result = this._clone(); + var result = new Url(); + var tkeys = Object.keys(this); + for (var tk = 0; tk < tkeys.length; tk++) { + var tkey = tkeys[tk]; + result[tkey] = this[tkey]; + } - // Hash is always overridden, no matter what. - // even href='' will remove it. - result._hash = relative._hash; + // hash is always overridden, no matter what. + // even href="" will remove it. + result.hash = relative.hash; - // If the relative url is empty, then there's nothing left to do here. - if (!relative.href) { - result._href = ''; + // if the relative url is empty, then there's nothing left to do here. + if (relative.href === '') { + result.href = result.format(); return result; } - // Hrefs like //foo/bar always cut to the protocol. - if (relative.slashes && !relative._protocol) { - relative._copyPropsTo(result, true); + // hrefs like //foo/bar always cut to the protocol. + if (relative.slashes && !relative.protocol) { + // take everything except the protocol from relative + var rkeys = Object.keys(relative); + for (var rk = 0; rk < rkeys.length; rk++) { + var rkey = rkeys[rk]; + if (rkey !== 'protocol') + result[rkey] = relative[rkey]; + } - if (_slashProtocols[result._protocol] && - result._hostname && !result._pathname) { - result._pathname = '/'; + //urlParse appends trailing / to urls like http://www.example.com + if (slashedProtocol[result.protocol] && + result.hostname && !result.pathname) { + result.path = result.pathname = '/'; } - result._href = ''; + + result.href = result.format(); return result; } - if (relative._protocol && relative._protocol !== result._protocol) { - // If it's a known url protocol, then changing + if (relative.protocol && relative.protocol !== result.protocol) { + // if it's a known url protocol, then changing // the protocol does weird things // first, if it's not file:, then we MUST have a host, // and if there was a path @@ -295,147 +484,168 @@ Url.prototype.resolveObject = function(relative) { // if it is file:, then the host is dropped, // because that's known to be hostless. // anything else is assumed to be absolute. - if (!_slashProtocols[relative._protocol]) { - relative._copyPropsTo(result, false); - result._href = ''; + if (!slashedProtocol[relative.protocol]) { + var keys = Object.keys(relative); + for (var v = 0; v < keys.length; v++) { + var k = keys[v]; + result[k] = relative[k]; + } + result.href = result.format(); return result; } - result._protocol = relative._protocol; - if (!relative._host && - !/^file:?$/.test(relative._protocol) && - relative._protocol !== 'javascript') { - var relPath = (relative._pathname || '').split('/'); - while (relPath.length && !(relative._host = relPath.shift())); - if (!relative._host) relative._host = ''; - if (!relative._hostname) relative._hostname = ''; + result.protocol = relative.protocol; + if (!relative.host && + !/^file:?$/.test(relative.protocol) && + !hostlessProtocol[relative.protocol]) { + var relPath = (relative.pathname || '').split('/'); + while (relPath.length && !(relative.host = relPath.shift())); + if (!relative.host) relative.host = ''; + if (!relative.hostname) relative.hostname = ''; if (relPath[0] !== '') relPath.unshift(''); if (relPath.length < 2) relPath.unshift(''); - result._pathname = relPath.join('/'); + result.pathname = relPath.join('/'); } else { - result._pathname = relative._pathname; + result.pathname = relative.pathname; + } + result.search = relative.search; + result.query = relative.query; + result.host = relative.host || ''; + result.auth = relative.auth; + result.hostname = relative.hostname || relative.host; + result.port = relative.port; + // to support http.request + if (result.pathname || result.search) { + var p = result.pathname || ''; + var s = result.search || ''; + result.path = p + s; } - - result._search = relative._search; - result._host = relative._host || ''; - result._auth = relative._auth; - result._hostname = relative._hostname || relative._host; - result._port = relative._port; result.slashes = result.slashes || relative.slashes; - result._href = ''; + result.href = result.format(); return result; } - var isSourceAbs = - (result._pathname && result._pathname.charCodeAt(0) === 0x2F /*'/'*/); - var isRelAbs = ( - relative._host || - (relative._pathname && - relative._pathname.charCodeAt(0) === 0x2F /*'/'*/)); - var mustEndAbs = (isRelAbs || - isSourceAbs || - (result._host && relative._pathname)); + var isSourceAbs = (result.pathname && result.pathname.charAt(0) === '/'), + isRelAbs = ( + relative.host || + relative.pathname && relative.pathname.charAt(0) === '/' + ), + mustEndAbs = (isRelAbs || isSourceAbs || + (result.host && relative.pathname)), + removeAllDots = mustEndAbs, + srcPath = result.pathname && result.pathname.split('/') || [], + relPath = relative.pathname && relative.pathname.split('/') || [], + psychotic = result.protocol && !slashedProtocol[result.protocol]; - var removeAllDots = mustEndAbs; - - var srcPath = result._pathname && result._pathname.split('/') || []; - var relPath = relative._pathname && relative._pathname.split('/') || []; - var psychotic = result._protocol && !_slashProtocols[result._protocol]; - - // If the url is a non-slashed url, then relative + // if the url is a non-slashed url, then relative // links like ../.. should be able // to crawl up to the hostname, as well. This is strange. // result.protocol has already been set by now. // Later on, put the first path part into the host field. if (psychotic) { - result._hostname = ''; - result._port = -1; - if (result._host) { - if (srcPath[0] === '') srcPath[0] = result._host; - else srcPath.unshift(result._host); + result.hostname = ''; + result.port = null; + if (result.host) { + if (srcPath[0] === '') srcPath[0] = result.host; + else srcPath.unshift(result.host); } - result._host = ''; - if (relative._protocol) { - relative._hostname = ''; - relative._port = -1; - if (relative._host) { - if (relPath[0] === '') relPath[0] = relative._host; - else relPath.unshift(relative._host); + result.host = ''; + if (relative.protocol) { + relative.hostname = null; + relative.port = null; + if (relative.host) { + if (relPath[0] === '') relPath[0] = relative.host; + else relPath.unshift(relative.host); } - relative._host = ''; + relative.host = null; } mustEndAbs = mustEndAbs && (relPath[0] === '' || srcPath[0] === ''); } if (isRelAbs) { // it's absolute. - result._host = relative._host ? relative._host : result._host; - result._hostname = - relative._hostname ? relative._hostname : result._hostname; - result._search = relative._search; + result.host = (relative.host || relative.host === '') ? + relative.host : result.host; + result.hostname = (relative.hostname || relative.hostname === '') ? + relative.hostname : result.hostname; + result.search = relative.search; + result.query = relative.query; srcPath = relPath; - // Fall through to the dot-handling below. + // fall through to the dot-handling below. } else if (relPath.length) { - // It's relative + // it's relative // throw away the existing file, and take the new path instead. if (!srcPath) srcPath = []; srcPath.pop(); srcPath = srcPath.concat(relPath); - result._search = relative._search; - } else if (relative._search) { - // Just pull out the search. + result.search = relative.search; + result.query = relative.query; + } else if (relative.search !== null && relative.search !== undefined) { + // just pull out the search. // like href='?foo'. // Put this after the other two cases because it simplifies the booleans if (psychotic) { - result._hostname = result._host = srcPath.shift(); - // Occasionally the auth can get stuck only in host - // this especialy happens in cases like - // url.resolveObject('mailto:local1@domain1', 'local2@domain2'). - var authInHost = result._host && result._host.indexOf('@') > 0 ? - result._host.split('@') : false; + result.hostname = result.host = srcPath.shift(); + //occationaly the auth can get stuck only in host + //this especialy happens in cases like + //url.resolveObject('mailto:local1@domain1', 'local2@domain2') + var authInHost = result.host && result.host.indexOf('@') > 0 ? + result.host.split('@') : false; if (authInHost) { - result._auth = authInHost.shift(); - result._host = result._hostname = authInHost.shift(); + result.auth = authInHost.shift(); + result.host = result.hostname = authInHost.shift(); } } - result._search = relative._search; - result._href = ''; + result.search = relative.search; + result.query = relative.query; + //to support http.request + if (result.pathname !== null || result.search !== null) { + result.path = (result.pathname ? result.pathname : '') + + (result.search ? result.search : ''); + } + result.href = result.format(); return result; } if (!srcPath.length) { - // No path at all. easy. + // no path at all. easy. // we've already handled the other stuff above. - result._pathname = null; - result._href = ''; + result.pathname = null; + //to support http.request + if (result.search) { + result.path = '/' + result.search; + } else { + result.path = null; + } + result.href = result.format(); return result; } - // If a url ENDs in . or .., then it must get a trailing slash. + // if a url ENDs in . or .., then it must get a trailing slash. // however, if it ends in anything else non-slashy, // then it must NOT get a trailing slash. var last = srcPath.slice(-1)[0]; var hasTrailingSlash = ( - (result._host || relative._host || srcPath.length > 1) && + (result.host || relative.host || srcPath.length > 1) && (last === '.' || last === '..') || last === ''); - // Strip single dots, resolve double dots to parent dir - // if the path tries to go above the root, `up` ends up > 0. + // strip single dots, resolve double dots to parent dir + // if the path tries to go above the root, `up` ends up > 0 var up = 0; for (var i = srcPath.length; i >= 0; i--) { last = srcPath[i]; if (last === '.') { - srcPath.splice(i, 1); + spliceOne(srcPath, i); } else if (last === '..') { - srcPath.splice(i, 1); + spliceOne(srcPath, i); up++; } else if (up) { - srcPath.splice(i, 1); + spliceOne(srcPath, i); up--; } } - // If the path is allowed to go above the root, restore leading ..s. + // if the path is allowed to go above the root, restore leading ..s if (!mustEndAbs && !removeAllDots) { for (; up--; up) { srcPath.unshift('..'); @@ -443,7 +653,7 @@ Url.prototype.resolveObject = function(relative) { } if (mustEndAbs && srcPath[0] !== '' && - (!srcPath[0] || srcPath[0].charCodeAt(0) !== 0x2F /*'/'*/)) { + (!srcPath[0] || srcPath[0].charAt(0) !== '/')) { srcPath.unshift(''); } @@ -452,803 +662,63 @@ Url.prototype.resolveObject = function(relative) { } var isAbsolute = srcPath[0] === '' || - (srcPath[0] && srcPath[0].charCodeAt(0) === 0x2F /*'/'*/); + (srcPath[0] && srcPath[0].charAt(0) === '/'); // put the host back if (psychotic) { - result._hostname = result._host = isAbsolute ? '' : - srcPath.length ? srcPath.shift() : ''; - // Occasionally the auth can get stuck only in host. - // This especialy happens in cases like - // url.resolveObject('mailto:local1@domain1', 'local2@domain2'). - var authInHost = result._host && result._host.indexOf('@') > 0 ? - result._host.split('@') : false; + result.hostname = result.host = isAbsolute ? '' : + srcPath.length ? srcPath.shift() : ''; + //occationaly the auth can get stuck only in host + //this especialy happens in cases like + //url.resolveObject('mailto:local1@domain1', 'local2@domain2') + var authInHost = result.host && result.host.indexOf('@') > 0 ? + result.host.split('@') : false; if (authInHost) { - result._auth = authInHost.shift(); - result._host = result._hostname = authInHost.shift(); + result.auth = authInHost.shift(); + result.host = result.hostname = authInHost.shift(); } } - mustEndAbs = mustEndAbs || (result._host && srcPath.length); + mustEndAbs = mustEndAbs || (result.host && srcPath.length); if (mustEndAbs && !isAbsolute) { srcPath.unshift(''); } - result._pathname = srcPath.length === 0 ? null : srcPath.join('/'); - result._auth = relative._auth || result._auth; - result.slashes = result.slashes || relative.slashes; - result._href = ''; - return result; -}; - - -Url.prototype._parseProtocol = function(str, start, end) { - var needsLowerCasing = false; - var protocolCharacters = _protocolCharacters; - - for (var i = start; i <= end; ++i) { - var ch = str.charCodeAt(i); - - if (ch === 0x3A /*':'*/) { - if (i - start === 0) - return start; - var protocol = str.slice(start, i); - if (needsLowerCasing) protocol = protocol.toLowerCase(); - this._protocol = protocol; - return i + 1; - } else if (protocolCharacters[ch] === 1) { - if (ch < 0x61 /*'a'*/) - needsLowerCasing = true; - } else { - return start; - } - - } - return start; -}; - -Url.prototype._parseAuth = function(str, start, end, decode) { - var auth = str.slice(start, end + 1); - if (decode) { - auth = decodeURIComponent(auth); - } - this._auth = auth; -}; - -Url.prototype._parsePort = function(str, start, end) { - // Distinguish between :0 and : (no port number at all). - var hadChars = false; - var hadValidPortTerminator = true; - var checkLeadingZeroes = false; - - for (var i = start; i <= end; ++i) { - var ch = str.charCodeAt(i); - - if (0x30 /*'0'*/ <= ch && ch <= 0x39 /*'9'*/) { - if (i === start && ch === 0x30 /*'0'*/) - checkLeadingZeroes = true; - hadChars = true; - } else { - hadValidPortTerminator = false; - if (_hostEndingCharacters[ch] === 1 || - _hostEndingCharactersNoPrependSlash[ch] === 1) { - hadValidPortTerminator = true; - } else { - this._port = -2; - } - break; - } - - } - - if (!hadChars || !hadValidPortTerminator) - return 0; - - var portEnd = i; - var port = str.slice(start, portEnd); - - if (checkLeadingZeroes) { - var hadNonZero = false; - for (var i = 0; i < port.length; ++i) { - if (port.charCodeAt(i) !== 0x30 /*'0'*/) { - hadNonZero = true; - break; - } - } - - if (hadNonZero) - port = -1; - else - port = '0'; - } - this._port = port; - return portEnd - start; -}; - -Url.prototype._hasValidPort = function() { - return typeof this._port === 'string'; -}; - -Url.prototype._parseHost = function(str, - trimmedStart, - start, - end, - slashesDenoteHost) { - var hostEndingCharacters = _hostEndingCharacters; - var first = str.charCodeAt(start); - var second = str.charCodeAt(start + 1); - if ((first === 0x2F /*'/'*/ || first === 0x5C /*'\'*/) && - (second === 0x2F /*'/'*/ || second === 0x5C /*'\'*/)) { - this.slashes = true; - - // The string starts with // or \\. - if (start === trimmedStart) { - // The string is just '//' or '\\'. - if (end - start === 1) return start; - // If slashes do not denote host and there is no auth, - // there is no host when the string starts with // or \\. - var hasAuth = - containsCharacter(str, - 0x40 /*'@'*/, - trimmedStart + 2, - hostEndingCharacters); - if (!hasAuth && !slashesDenoteHost) { - this.slashes = null; - return start; - } - } - // There is a host that starts after the //. - start += 2; - } - // If there is no slashes, there is no hostname if - // 1. there was no protocol at all. - else if (!this._protocol || - // 2. there was a protocol that requires slashes - // e.g. in 'http:asd' 'asd' is not a hostname. - _slashProtocols[this._protocol] - ) { - return start; - } - - var needsLowerCasing = false; - var idna = false; - var hostNameStart = start; - var hostNameEnd = end; - var lastCh = -1; - var portLength = 0; - var charsAfterDot = 0; - var authNeedsDecoding = false; - - var j = -1; - - // Find the last occurrence of an @-sign until hostending character is met - // also mark if decoding is needed for the auth portion. - for (var i = start; i <= end; ++i) { - var ch = str.charCodeAt(i); - if (ch === 0x40 /*'@'*/) - j = i; - else if (ch === 0x25 /*'%'*/) - authNeedsDecoding = true; - else if (hostEndingCharacters[ch] === 1) - break; - } - - // @-sign was found at index j, everything to the left from it - // is auth part. - if (j > -1) { - this._parseAuth(str, start, j - 1, authNeedsDecoding); - // Hostname starts after the last @-sign- - start = hostNameStart = j + 1; - } - - // Host name is starting with a [. - if (str.charCodeAt(start) === 0x5B /*'['*/) { - for (var i = start + 1; i <= end; ++i) { - var ch = str.charCodeAt(i); - - // Assume valid IP6 is between the brackets. - if (ch === 0x5D /*']'*/) { - if (str.charCodeAt(i + 1) === 0x3A /*':'*/) - portLength = this._parsePort(str, i + 2, end) + 1; - - var hostname = '[' + str.slice(start + 1, i).toLowerCase() + ']'; - this._hostname = hostname; - this._host = - this._hasValidPort() ? hostname + ':' + this._port : hostname; - this._pathname = '/'; - return i + portLength + 1; - } - } - // Empty hostname, [ starts a path. - return start; - } - var hostEndingCharactersNoPrependSlash = _hostEndingCharactersNoPrependSlash; - for (var i = start; i <= end; ++i) { - if (charsAfterDot > 62) { - this._hostname = this._host = str.slice(start, i); - return i; - } - var ch = str.charCodeAt(i); - - if (ch === 0x3A /*':'*/) { - portLength = this._parsePort(str, i + 1, end) + 1; - hostNameEnd = i - 1; - break; - } else if (ch < 0x61 /*'a'*/) { - if (ch === 0x2E /*'.'*/) { - // TODO(petkaantonov) This error is originally ignored: - // if (lastCh === 0x2E /*'.'*/ || lastCh === -1) { - // this.hostname = this.host = ''; - // return start; - // } - charsAfterDot = -1; - } else if (0x41 /*'A'*/ <= ch && ch <= 0x5A /*'Z'*/) { - needsLowerCasing = true; - } - // Valid characters other than ASCII letters -, _, +, 0-9. - else if (!(ch === 0x2D /*'-'*/ || - ch === 0x5F /*'_'*/ || - ch === 0x2B /*'+'*/ || - (0x30 /*'0'*/ <= ch && ch <= 0x39 /*'9'*/))) { - if (hostEndingCharacters[ch] === 0 && - hostEndingCharactersNoPrependSlash[ch] === 0) - this._prependSlash = true; - hostNameEnd = i - 1; - break; - } - } else if (ch >= 0x7B /*'{'*/) { - if (ch <= 0x7E /*'~'*/) { - if (hostEndingCharactersNoPrependSlash[ch] === 0) { - this._prependSlash = true; - } - hostNameEnd = i - 1; - break; - } - idna = true; - needsLowerCasing = true; - } - lastCh = ch; - charsAfterDot++; - } - - // TODO(petkaantonov) This error is originally ignored: - // if (lastCh === 0x2E /*'.'*/) - // hostNameEnd-- - - if (hostNameEnd + 1 !== start && - hostNameEnd - hostNameStart <= 256) { - var hostname = str.slice(hostNameStart, hostNameEnd + 1); - if (needsLowerCasing) - hostname = hostname.toLowerCase(); - if (idna) - hostname = punycode.toASCII(hostname); - - this._hostname = hostname; - this._host = - this._hasValidPort() ? hostname + ':' + this._port : hostname; - } - - return hostNameEnd + 1 + portLength; - -}; - -Url.prototype._copyPropsTo = function(target, noProtocol) { - if (!noProtocol) { - target._protocol = this._protocol; - } - // Forces getter recalculation. - target._href = null; - target._host = this._host; - target._hostname = this._hostname; - target._pathname = this._pathname; - target._search = this._search; - target._parsesQueryStrings = this._parsesQueryStrings; - target._prependSlash = this._prependSlash; - target._port = this._port; - target._auth = this._auth; - target.slashes = this.slashes; - target._query = this._query; - target._hash = this._hash; -}; - -Url.prototype._clone = function() { - var ret = new Url(); - ret._protocol = this._protocol; - ret._href = this._href; - ret._port = this._port; - ret._prependSlash = this._prependSlash; - ret._auth = this._auth; - ret._hostname = this._hostname; - ret._host = this._host; - ret._hash = this._hash; - ret._search = this._search; - ret._pathname = this._pathname; - ret._parsesQueryStrings = this._parsesQueryStrings; - ret._query = this._query; - ret.slashes = this.slashes; - return ret; -}; - -Url.prototype.toJSON = function() { - var ret = { - href: this.href, - pathname: this.pathname, - path: this.path, - protocol: this.protocol, - query: this.query, - port: this.port, - auth: this.auth, - hash: this.hash, - host: this.host, - hostname: this.hostname, - search: this.search, - slashes: this.slashes - }; - var keys = Object.keys(this); - for (var i = 0; i < keys.length; ++i) { - var key = keys[i]; - if (noSerializePattern.test(key)) continue; - ret[key] = this[key]; - - } - return ret; -}; - -Url.prototype._parsePath = function(str, start, end) { - var pathStart = start; - var pathEnd = end; - var escape = false; - var autoEscapeCharacters = _autoEscapeCharacters; - var prePath = this._port === -2 ? '/:' : ''; - - for (var i = start; i <= end; ++i) { - var ch = str.charCodeAt(i); - - if (ch === 0x23 /*'#'*/) { - this._parseHash(str, i, end); - pathEnd = i - 1; - break; - } else if (ch === 0x3F /*'?'*/) { - this._parseQuery(str, i, end); - pathEnd = i - 1; - break; - } else if (!escape && autoEscapeCharacters[ch] === 1) { - escape = true; - } - } - - if (pathStart > pathEnd) { - this._pathname = prePath === '' ? '/' : prePath; - return; - } - - var path; - if (escape) { - path = getComponentEscaped(str, pathStart, pathEnd, false); + if (!srcPath.length) { + result.pathname = null; + result.path = null; } else { - path = str.slice(pathStart, pathEnd + 1); - } - - this._pathname = prePath === '' ? - (this._prependSlash ? '/' + path : path) : prePath + path; -}; - -Url.prototype._parseQuery = function(str, start, end) { - var queryStart = start; - var queryEnd = end; - var escape = false; - var autoEscapeCharacters = _autoEscapeCharacters; - - for (var i = start; i <= end; ++i) { - var ch = str.charCodeAt(i); - - if (ch === 0x23 /*'#'*/) { - this._parseHash(str, i, end); - queryEnd = i - 1; - break; - } else if (!escape && autoEscapeCharacters[ch] === 1) - escape = true; + result.pathname = srcPath.join('/'); } - if (queryStart > queryEnd) { - this._search = ''; - return; + //to support request.http + if (result.pathname !== null || result.search !== null) { + result.path = (result.pathname ? result.pathname : '') + + (result.search ? result.search : ''); } - - var query = escape ? - getComponentEscaped(str, queryStart, queryEnd, true) : - str.slice(queryStart, queryEnd + 1); - - this._search = query; -}; - -Url.prototype._parseHash = function(str, start, end) { - if (start > end) { - this._hash = ''; - return; - } - this._hash = getComponentEscaped(str, start, end, true); + result.auth = relative.auth || result.auth; + result.slashes = result.slashes || relative.slashes; + result.href = result.format(); + return result; }; -Object.defineProperty(Url.prototype, 'port', { - get: function() { - if (this._hasValidPort()) - return this._port; - - return null; - }, - set: function(v) { - if (v === null) { - this._port = -1; - if (this._host) - this._host = null; - } else { - this._port = toPortNumber(v); - - if (this._hostname) - this._host = this._hostname + ':' + this._port; - else - this._host = ':' + this._port; - } - this._href = ''; - }, - enumerable: true, - configurable: true -}); - -Object.defineProperty(Url.prototype, 'query', { - get: function() { - var query = this._query; - if (query != null) - return query; - - var search = this._search; - - if (search) { - if (search.charCodeAt(0) === 0x3F /*'?'*/) - search = search.slice(1); - if (search !== '') { - this._query = search; - return search; - } - } - return search; - }, - set: function(v) { - if (typeof v === 'string') { - if (v !== '') this.search = '?' + v; - this._query = v; - } else if (v !== null && typeof v === 'object') { - var string = querystring.stringify(v); - this._search = string !== '' ? '?' + querystring.stringify(v) : ''; - this._query = v; - } else { - this._query = this._search = null; - } - this._href = ''; - }, - enumerable: true, - configurable: true -}); - -Object.defineProperty(Url.prototype, 'path', { - get: function() { - var p = this.pathname || ''; - var s = this.search || ''; - if (p || s) - return p + s; - return (p == null && s) ? ('/' + s) : null; - }, - set: function(v) { - if (v === null) { - this._pathname = this._search = null; - return; - } - var path = '' + v; - var matches = path.match(/([^\?]*)(\?.*)$/); - - if (matches) { - this.pathname = matches[1]; - this.search = matches[2]; - } else { - this.pathname = path; - this.search = null; - } - this._href = ''; - }, - enumerable: true, - configurable: true -}); - -Object.defineProperty(Url.prototype, 'protocol', { - get: function() { - var proto = this._protocol; - - if (typeof proto === 'string' && proto.length > 0) { - if (proto.charCodeAt(proto.length - 1) !== 0x3A/*':'*/) - return proto + ':'; - return proto; - } - return proto; - }, - set: function(v) { - if (v === null) { - this._protocol = null; - } else { - var proto = '' + v; - if (proto.length > 0) { - if (proto.charCodeAt(proto.length - 1) !== 0x3A /*':'*/) - proto = proto + ':'; - this._parseProtocol(proto, 0, proto.length - 1); - this._href = ''; - } - } - }, - enumerable: true, - configurable: true -}); - -Object.defineProperty(Url.prototype, 'href', { - get: function() { - var href = this._href; - if (!href) - href = this._href = this.format(); - return href; - }, - set: function(v) { - this._href = ''; - var parsesQueryStrings = this._parsesQueryStrings; - // Reset properties. - Url.call(this); - if (v !== null && v !== '') - this.parse('' + v, parsesQueryStrings, false); - }, - enumerable: true, - configurable: true -}); - -Object.defineProperty(Url.prototype, 'auth', { - get: function() { - return this._auth; - }, - set: function(v) { - this._auth = v === null ? null : '' + v; - this._href = ''; - }, - enumerable: true, - configurable: true -}); - -// host = hostname + port. -Object.defineProperty(Url.prototype, 'host', { - get: function() { - return this._host; - }, - set: function(v) { - if (v === null) { - this._port = -1; - this._hostname = this._host = null; - } else { - var host = '' + v; - var matches = host.match(/(.*):(.+)$/); - - if (matches) { - this._hostname = encodeURIComponent(matches[1]); - this._port = toPortNumber(matches[2]); - this._host = this._hostname + ':' + this._port; - } else { - this._port = -1; - this._hostname = this._host = encodeURIComponent(host); - } - this._href = ''; - } - }, - enumerable: true, - configurable: true -}); - -Object.defineProperty(Url.prototype, 'hostname', { - get: function() { - return this._hostname; - }, - set: function(v) { - if (v === null) { - this._hostname = null; - - if (this._hasValidPort()) - this._host = ':' + this._port; - else - this._host = null; - } else { - var hostname = encodeURIComponent('' + v); - this._hostname = hostname; - - if (this._hasValidPort()) - this._host = hostname + ':' + this._port; - else - this._host = hostname; - - this._href = ''; - } - }, - enumerable: true, - configurable: true -}); - -Object.defineProperty(Url.prototype, 'hash', { - get: function() { - return this._hash; - }, - set: function(v) { - if (v === null) { - this._hash = null; - } else { - var hash = '' + v; - if (hash.charCodeAt(0) !== 0x23 /*'#'*/) { - hash = '#' + hash; - } - this._hash = hash; - this._href = ''; - } - }, - enumerable: true, - configurable: true -}); - -Object.defineProperty(Url.prototype, 'search', { - get: function() { - return this._search; - }, - set: function(v) { - if (v === null) { - this._search = this._query = null; - } else { - var search = escapeSearch('' + v); - - if (search.charCodeAt(0) !== 0x3F /*'?'*/) - search = '?' + search; - - this._search = search; - - if (this._parsesQueryStrings) { - this.query = querystring.parse(search.slice(1)); - } - this._href = ''; - } - }, - enumerable: true, - configurable: true -}); - -Object.defineProperty(Url.prototype, 'pathname', { - get: function() { - return this._pathname; - }, - set: function(v) { - if (v === null) { - this._pathname = null; - } else { - var pathname = escapePathName('' + v).replace(/\\/g, '/'); - - if (this.hostname && - _slashProtocols[this._protocol] && - pathname.charCodeAt(0) !== 0x2F /*'/'*/) { - pathname = '/' + pathname; - } - - this._pathname = pathname; - this._href = ''; +Url.prototype.parseHost = function() { + var host = this.host; + var port = portPattern.exec(host); + if (port) { + port = port[0]; + if (port !== ':') { + this.port = port.substr(1); } - }, - enumerable: true, - configurable: true -}); - -// Search `char1` (integer code for a character) in `string` -// starting from `fromIndex` and ending at `string.length - 1` -// or when a stop character is found. -function containsCharacter(string, char1, fromIndex, stopCharacterTable) { - var len = string.length; - for (var i = fromIndex; i < len; ++i) { - var ch = string.charCodeAt(i); - - if (ch === char1) - return true; - else if (stopCharacterTable[ch] === 1) - return false; - } - return false; -} - -// See if `char1` or `char2` (integer codes for characters) -// is contained in `string`. -function containsCharacter2(string, char1, char2) { - for (var i = 0, len = string.length; i < len; ++i) { - var ch = string.charCodeAt(i); - if (ch === char1 || ch === char2) - return true; + host = host.substr(0, host.length - port.length); } - return false; -} - -// Makes an array of 128 uint8's which represent boolean values. -// Spec is an array of ascii code points or ascii code point ranges -// ranges are expressed as [start, end]. - -// For example, to create a table with the characters -// 0x30-0x39 (decimals '0' - '9') and -// 0x7A (lowercaseletter 'z') as `true`: - -// var a = makeAsciiTable([[0x30, 0x39], 0x7A]); -// a[0x30]; //1 -// a[0x15]; //0 -// a[0x35]; //1 -function makeAsciiTable(spec) { - var ret = new Uint8Array(128); - spec.forEach(function(item) { - if (typeof item === 'number') { - ret[item] = 1; - } else { - var start = item[0]; - var end = item[1]; - for (var j = start; j <= end; ++j) { - ret[j] = 1; - } - } - }); - - return ret; -} - -function escapePathName(pathname) { - if (!containsCharacter2(pathname, 0x23 /*'#'*/, 0x3F /*'?'*/)) - return pathname; - - return pathname.replace(/[?#]/g, function(match) { - return encodeURIComponent(match); - }); -} - -function escapeSearch(search) { - if (!containsCharacter2(search, 0x23 /*'#'*/, -1)) - return search; - - return search.replace(/#/g, function(match) { - return encodeURIComponent(match); - }); -} - -function getComponentEscaped(str, start, end, isAfterQuery) { - var cur = start; - var i = start; - var ret = ''; - var autoEscapeMap = isAfterQuery ? _afterQueryAutoEscapeMap : _autoEscapeMap; - for (; i <= end; ++i) { - var ch = str.charCodeAt(i); - var escaped = autoEscapeMap[ch]; - - if (escaped !== '' && escaped !== undefined) { - if (cur < i) ret += str.slice(cur, i); - ret += escaped; - cur = i + 1; - } - } - if (cur < i + 1) ret += str.slice(cur, i); - return ret; -} - -function toPortNumber(v) { - v = parseInt(v); - if (!Number.isFinite(v)) - v = 0; + if (host) this.hostname = host; +}; - v = Math.max(0, v) % 0x10000; - return '' + v; +// About 1.5x faster than the two-arg version of Array#splice(). +function spliceOne(list, index) { + for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1) + list[i] = list[k]; + list.pop(); } - -// Optimize back from normalized object caused by non-identifier keys. -function FakeConstructor() {} -FakeConstructor.prototype = _slashProtocols; -/*jshint nonew: false */ -new FakeConstructor(); |