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/*
* Copyright (C) 2013 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
*/
// FIXME: <https://webkit.org/b/165155> Web Inspector: Use URL constructor to better handle all kinds of URLs
function removeURLFragment(url)
{
var hashIndex = url.indexOf("#");
if (hashIndex >= 0)
return url.substring(0, hashIndex);
return url;
}
function relativePath(path, basePath)
{
console.assert(path.charAt(0) === "/");
console.assert(basePath.charAt(0) === "/");
var pathComponents = path.split("/");
var baseComponents = basePath.replace(/\/$/, "").split("/");
var finalComponents = [];
var index = 1;
for (; index < pathComponents.length && index < baseComponents.length; ++index) {
if (pathComponents[index] !== baseComponents[index])
break;
}
for (var i = index; i < baseComponents.length; ++i)
finalComponents.push("..");
for (var i = index; i < pathComponents.length; ++i)
finalComponents.push(pathComponents[i]);
return finalComponents.join("/");
}
function parseSecurityOrigin(securityOrigin)
{
securityOrigin = securityOrigin ? securityOrigin.trim() : "";
var match = securityOrigin.match(/^([^:]+):\/\/([^\/:]*)(?::([\d]+))?$/i);
if (!match)
return {scheme: null, host: null, port: null};
var scheme = match[1].toLowerCase();
var host = match[2].toLowerCase();
var port = Number(match[3]) || null;
return {scheme, host, port};
}
function parseDataURL(url)
{
if (!url.startsWith("data:"))
return null;
// data:[<media type>][;charset=<character set>][;base64],<data>
let match = url.match(/^data:([^;,]*)?(?:;charset=([^;,]*?))?(;base64)?,(.*)$/);
if (!match)
return null;
let scheme = "data";
let mimeType = match[1] || "text/plain";
let charset = match[2] || "US-ASCII";
let base64 = !!match[3];
let data = decodeURIComponent(match[4]);
return {scheme, mimeType, charset, base64, data};
}
function parseURL(url)
{
url = url ? url.trim() : "";
if (url.startsWith("data:"))
return {scheme: "data", host: null, port: null, path: null, queryString: null, fragment: null, lastPathComponent: null};
var match = url.match(/^([^\/:]+):\/\/([^\/#:]*)(?::([\d]+))?(?:(\/[^#]*)?(?:#(.*))?)?$/i);
if (!match)
return {scheme: null, host: null, port: null, path: null, queryString: null, fragment: null, lastPathComponent: null};
var scheme = match[1].toLowerCase();
var host = match[2].toLowerCase();
var port = Number(match[3]) || null;
var wholePath = match[4] || null;
var fragment = match[5] || null;
var path = wholePath;
var queryString = null;
// Split the path and the query string.
if (wholePath) {
var indexOfQuery = wholePath.indexOf("?");
if (indexOfQuery !== -1) {
path = wholePath.substring(0, indexOfQuery);
queryString = wholePath.substring(indexOfQuery + 1);
}
path = resolveDotsInPath(path);
}
// Find last path component.
var lastPathComponent = null;
if (path && path !== "/") {
// Skip the trailing slash if there is one.
var endOffset = path[path.length - 1] === "/" ? 1 : 0;
var lastSlashIndex = path.lastIndexOf("/", path.length - 1 - endOffset);
if (lastSlashIndex !== -1)
lastPathComponent = path.substring(lastSlashIndex + 1, path.length - endOffset);
}
return {scheme, host, port, path, queryString, fragment, lastPathComponent};
}
function absoluteURL(partialURL, baseURL)
{
partialURL = partialURL ? partialURL.trim() : "";
// Return data and javascript URLs as-is.
if (partialURL.startsWith("data:") || partialURL.startsWith("javascript:") || partialURL.startsWith("mailto:"))
return partialURL;
// If the URL has a scheme it is already a full URL, so return it.
if (parseURL(partialURL).scheme)
return partialURL;
// If there is no partial URL, just return the base URL.
if (!partialURL)
return baseURL || null;
var baseURLComponents = parseURL(baseURL);
// The base URL needs to be an absolute URL. Return null if it isn't.
if (!baseURLComponents.scheme)
return null;
// A URL that starts with "//" is a full URL without the scheme. Use the base URL scheme.
if (partialURL[0] === "/" && partialURL[1] === "/")
return baseURLComponents.scheme + ":" + partialURL;
// The path can be null for URLs that have just a scheme and host (like "http://apple.com"). So make the path be "/".
if (!baseURLComponents.path)
baseURLComponents.path = "/";
// Generate the base URL prefix that is used in the rest of the cases.
var baseURLPrefix = baseURLComponents.scheme + "://" + baseURLComponents.host + (baseURLComponents.port ? (":" + baseURLComponents.port) : "");
// A URL that starts with "?" is just a query string that gets applied to the base URL (replacing the base URL query string and fragment).
if (partialURL[0] === "?")
return baseURLPrefix + baseURLComponents.path + partialURL;
// A URL that starts with "/" is an absolute path that gets applied to the base URL (replacing the base URL path, query string and fragment).
if (partialURL[0] === "/")
return baseURLPrefix + resolveDotsInPath(partialURL);
// A URL that starts with "#" is just a fragment that gets applied to the base URL (replacing the base URL fragment, maintaining the query string).
if (partialURL[0] === "#") {
let queryStringComponent = baseURLComponents.queryString ? "?" + baseURLComponents.queryString : "";
return baseURLPrefix + baseURLComponents.path + queryStringComponent + partialURL;
}
// Generate the base path that is used in the final case by removing everything after the last "/" from the base URL's path.
var basePath = baseURLComponents.path.substring(0, baseURLComponents.path.lastIndexOf("/")) + "/";
return baseURLPrefix + resolveDotsInPath(basePath + partialURL);
}
function parseLocationQueryParameters(arrayResult)
{
// The first character is always the "?".
return parseQueryString(window.location.search.substring(1), arrayResult);
}
function parseQueryString(queryString, arrayResult)
{
if (!queryString)
return arrayResult ? [] : {};
function decode(string)
{
try {
// Replace "+" with " " then decode percent encoded values.
return decodeURIComponent(string.replace(/\+/g, " "));
} catch (e) {
return string;
}
}
var parameters = arrayResult ? [] : {};
var parameterStrings = queryString.split("&");
for (var i = 0; i < parameterStrings.length; ++i) {
var pair = parameterStrings[i].split("=").map(decode);
if (arrayResult)
parameters.push({name: pair[0], value: pair[1]});
else
parameters[pair[0]] = pair[1];
}
return parameters;
}
WI.displayNameForURL = function(url, urlComponents)
{
if (url.startsWith("data:"))
return WI.truncateURL(url);
if (!urlComponents)
urlComponents = parseURL(url);
var displayName;
try {
displayName = decodeURIComponent(urlComponents.lastPathComponent || "");
} catch (e) {
displayName = urlComponents.lastPathComponent;
}
return displayName || WI.displayNameForHost(urlComponents.host) || url;
};
WI.truncateURL = function(url, multiline = false, dataURIMaxSize = 6)
{
if (!url.startsWith("data:"))
return url;
const dataIndex = url.indexOf(",") + 1;
let header = url.slice(0, dataIndex);
if (multiline)
header += "\n";
const data = url.slice(dataIndex);
if (data.length < dataURIMaxSize)
return header + data;
const firstChunk = data.slice(0, Math.ceil(dataURIMaxSize / 2));
const ellipsis = "\u2026";
const middleChunk = multiline ? `\n${ellipsis}\n` : ellipsis;
const lastChunk = data.slice(-Math.floor(dataURIMaxSize / 2));
return header + firstChunk + middleChunk + lastChunk;
};
WI.displayNameForHost = function(host)
{
// FIXME <rdar://problem/11237413>: This should decode punycode hostnames.
return host;
};
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