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META-INF.dirigible.dev-tools.common.ParsedURL.js Maven / Gradle / Ivy
/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @unrestricted
*/
export class ParsedURL {
/**
* @param {string} url
*/
constructor(url) {
this.isValid = false;
this.url = url;
this.scheme = '';
this.user = '';
this.host = '';
this.port = '';
this.path = '';
this.queryParams = '';
this.fragment = '';
this.folderPathComponents = '';
this.lastPathComponent = '';
const isBlobUrl = this.url.startsWith('blob:');
const urlToMatch = isBlobUrl ? url.substring(5) : url;
const match = urlToMatch.match(ParsedURL._urlRegex());
if (match) {
this.isValid = true;
if (isBlobUrl) {
this._blobInnerScheme = match[2].toLowerCase();
this.scheme = 'blob';
} else {
this.scheme = match[2].toLowerCase();
}
this.user = match[3];
this.host = match[4];
this.port = match[5];
this.path = match[6] || '/';
this.queryParams = match[7] || '';
this.fragment = match[8];
} else {
if (this.url.startsWith('data:')) {
this.scheme = 'data';
return;
}
if (this.url.startsWith('blob:')) {
this.scheme = 'blob';
return;
}
if (this.url === 'about:blank') {
this.scheme = 'about';
return;
}
this.path = this.url;
}
const lastSlashIndex = this.path.lastIndexOf('/');
if (lastSlashIndex !== -1) {
this.folderPathComponents = this.path.substring(0, lastSlashIndex);
this.lastPathComponent = this.path.substring(lastSlashIndex + 1);
} else {
this.lastPathComponent = this.path;
}
}
/**
* @param {string} string
* @return {?ParsedURL}
*/
static fromString(string) {
const parsedURL = new ParsedURL(string.toString());
if (parsedURL.isValid) {
return parsedURL;
}
return null;
}
/**
* @param {string} fileSystemPath
* @return {string}
*/
static platformPathToURL(fileSystemPath) {
fileSystemPath = fileSystemPath.replace(/\\/g, '/');
if (!fileSystemPath.startsWith('file://')) {
if (fileSystemPath.startsWith('/')) {
fileSystemPath = 'file://' + fileSystemPath;
} else {
fileSystemPath = 'file:///' + fileSystemPath;
}
}
return fileSystemPath;
}
/**
* @param {string} fileURL
* @param {boolean=} isWindows
* @return {string}
*/
static urlToPlatformPath(fileURL, isWindows) {
console.assert(fileURL.startsWith('file://'), 'This must be a file URL.');
if (isWindows) {
return fileURL.substr('file:///'.length).replace(/\//g, '\\');
}
return fileURL.substr('file://'.length);
}
/**
* @param {string} url
* @return {string}
*/
static urlWithoutHash(url) {
const hashIndex = url.indexOf('#');
if (hashIndex !== -1) {
return url.substr(0, hashIndex);
}
return url;
}
/**
* @return {!RegExp}
*/
static _urlRegex() {
if (ParsedURL._urlRegexInstance) {
return ParsedURL._urlRegexInstance;
}
// RegExp groups:
// 1 - scheme, hostname, ?port
// 2 - scheme (using the RFC3986 grammar)
// 3 - ?user:password
// 4 - hostname
// 5 - ?port
// 6 - ?path
// 7 - ?query
// 8 - ?fragment
const schemeRegex = /([A-Za-z][A-Za-z0-9+.-]*):\/\//;
const userRegex = /(?:([A-Za-z0-9\-._~%!$&'()*+,;=:]*)@)?/;
const hostRegex = /((?:\[::\d?\])|(?:[^\s\/:]*))/;
const portRegex = /(?::([\d]+))?/;
const pathRegex = /(\/[^#?]*)?/;
const queryRegex = /(?:\?([^#]*))?/;
const fragmentRegex = /(?:#(.*))?/;
ParsedURL._urlRegexInstance = new RegExp(
'^(' + schemeRegex.source + userRegex.source + hostRegex.source + portRegex.source + ')' + pathRegex.source +
queryRegex.source + fragmentRegex.source + '$');
return ParsedURL._urlRegexInstance;
}
/**
* @param {string} url
* @return {string}
*/
static extractPath(url) {
const parsedURL = this.fromString(url);
return parsedURL ? parsedURL.path : '';
}
/**
* @param {string} url
* @return {string}
*/
static extractOrigin(url) {
const parsedURL = this.fromString(url);
return parsedURL ? parsedURL.securityOrigin() : '';
}
/**
* @param {string} url
* @return {string}
*/
static extractExtension(url) {
url = ParsedURL.urlWithoutHash(url);
const indexOfQuestionMark = url.indexOf('?');
if (indexOfQuestionMark !== -1) {
url = url.substr(0, indexOfQuestionMark);
}
const lastIndexOfSlash = url.lastIndexOf('/');
if (lastIndexOfSlash !== -1) {
url = url.substr(lastIndexOfSlash + 1);
}
const lastIndexOfDot = url.lastIndexOf('.');
if (lastIndexOfDot !== -1) {
url = url.substr(lastIndexOfDot + 1);
const lastIndexOfPercent = url.indexOf('%');
if (lastIndexOfPercent !== -1) {
return url.substr(0, lastIndexOfPercent);
}
return url;
}
return '';
}
/**
* @param {string} url
* @return {string}
*/
static extractName(url) {
let index = url.lastIndexOf('/');
const pathAndQuery = index !== -1 ? url.substr(index + 1) : url;
index = pathAndQuery.indexOf('?');
return index < 0 ? pathAndQuery : pathAndQuery.substr(0, index);
}
/**
* @param {string} baseURL
* @param {string} href
* @return {?string}
*/
static completeURL(baseURL, href) {
// Return special URLs as-is.
const trimmedHref = href.trim();
if (trimmedHref.startsWith('data:') || trimmedHref.startsWith('blob:') || trimmedHref.startsWith('javascript:') ||
trimmedHref.startsWith('mailto:')) {
return href;
}
// Return absolute URLs as-is.
const parsedHref = this.fromString(trimmedHref);
if (parsedHref && parsedHref.scheme) {
return trimmedHref;
}
const parsedURL = this.fromString(baseURL);
if (!parsedURL) {
return null;
}
if (parsedURL.isDataURL()) {
return href;
}
if (href.length > 1 && href.charAt(0) === '/' && href.charAt(1) === '/') {
// href starts with "//" which is a full URL with the protocol dropped (use the baseURL protocol).
return parsedURL.scheme + ':' + href;
}
const securityOrigin = parsedURL.securityOrigin();
const pathText = parsedURL.path;
const queryText = parsedURL.queryParams ? '?' + parsedURL.queryParams : '';
// Empty href resolves to a URL without fragment.
if (!href.length) {
return securityOrigin + pathText + queryText;
}
if (href.charAt(0) === '#') {
return securityOrigin + pathText + queryText + href;
}
if (href.charAt(0) === '?') {
return securityOrigin + pathText + href;
}
const hrefMatches = href.match(/^[^#?]*/);
if (!hrefMatches || !href.length) {
throw new Error('Invalid href');
}
let hrefPath = hrefMatches[0];
const hrefSuffix = href.substring(hrefPath.length);
if (hrefPath.charAt(0) !== '/') {
hrefPath = parsedURL.folderPathComponents + '/' + hrefPath;
}
// @ts-ignore Runtime needs to be properly exported
return securityOrigin + Root.Runtime.normalizePath(hrefPath) + hrefSuffix;
}
/**
* @param {string} string
* @return {!{url: string, lineNumber: (number|undefined), columnNumber: (number|undefined)}}
*/
static splitLineAndColumn(string) {
// Only look for line and column numbers in the path to avoid matching port numbers.
const beforePathMatch = string.match(ParsedURL._urlRegex());
let beforePath = '';
let pathAndAfter = string;
if (beforePathMatch) {
beforePath = beforePathMatch[1];
pathAndAfter = string.substring(beforePathMatch[1].length);
}
const lineColumnRegEx = /(?::(\d+))?(?::(\d+))?$/;
const lineColumnMatch = lineColumnRegEx.exec(pathAndAfter);
let lineNumber;
let columnNumber;
console.assert(!!lineColumnMatch);
if (!lineColumnMatch) {
return { url: string, lineNumber: 0, columnNumber: 0 };
}
if (typeof(lineColumnMatch[1]) === 'string') {
lineNumber = parseInt(lineColumnMatch[1], 10);
// Immediately convert line and column to 0-based numbers.
lineNumber = isNaN(lineNumber) ? undefined : lineNumber - 1;
}
if (typeof(lineColumnMatch[2]) === 'string') {
columnNumber = parseInt(lineColumnMatch[2], 10);
columnNumber = isNaN(columnNumber) ? undefined : columnNumber - 1;
}
return {
url: beforePath + pathAndAfter.substring(0, pathAndAfter.length - lineColumnMatch[0].length),
lineNumber: lineNumber,
columnNumber: columnNumber
};
}
/**
* @param {string} url
* @return {string}
*/
static removeWasmFunctionInfoFromURL(url) {
const wasmFunctionRegEx = /:wasm-function\[\d+\]/;
const wasmFunctionIndex = url.search(wasmFunctionRegEx);
if (wasmFunctionIndex === -1) {
return url;
}
return url.substring(0, wasmFunctionIndex);
}
/**
* @param {string} url
* @return {boolean}
*/
static isRelativeURL(url) {
return !(/^[A-Za-z][A-Za-z0-9+.-]*:/.test(url));
}
get displayName() {
if (this._displayName) {
return this._displayName;
}
if (this.isDataURL()) {
return this.dataURLDisplayName();
}
if (this.isBlobURL()) {
return this.url;
}
if (this.isAboutBlank()) {
return this.url;
}
this._displayName = this.lastPathComponent;
if (!this._displayName) {
this._displayName = (this.host || '') + '/';
}
if (this._displayName === '/') {
this._displayName = this.url;
}
return this._displayName;
}
/**
* @return {string}
*/
dataURLDisplayName() {
if (this._dataURLDisplayName) {
return this._dataURLDisplayName;
}
if (!this.isDataURL()) {
return '';
}
this._dataURLDisplayName = this.url.trimEndWithMaxLength(20);
return this._dataURLDisplayName;
}
/**
* @return {boolean}
*/
isAboutBlank() {
return this.url === 'about:blank';
}
/**
* @return {boolean}
*/
isDataURL() {
return this.scheme === 'data';
}
/**
* @return {boolean}
*/
isBlobURL() {
return this.url.startsWith('blob:');
}
/**
* @return {string}
*/
lastPathComponentWithFragment() {
return this.lastPathComponent + (this.fragment ? '#' + this.fragment : '');
}
/**
* @return {string}
*/
domain() {
if (this.isDataURL()) {
return 'data:';
}
return this.host + (this.port ? ':' + this.port : '');
}
/**
* @return {string}
*/
securityOrigin() {
if (this.isDataURL()) {
return 'data:';
}
const scheme = this.isBlobURL() ? this._blobInnerScheme : this.scheme;
return scheme + '://' + this.domain();
}
/**
* @return {string}
*/
urlWithoutScheme() {
if (this.scheme && this.url.startsWith(this.scheme + '://')) {
return this.url.substring(this.scheme.length + 3);
}
return this.url;
}
}
/** @type {?RegExp} */
ParsedURL._urlRegexInstance = null;
