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phorge-phorge/webroot/rsrc/externals/javelin/lib/URI.js
epriestley 0569218201 Use JsShrink if jsxmin is not available
Summary: If `jsxmin` is not available, use a pure PHP implementation instead (JsShrink).

Test Plan:
  - Ran `arc lint --lintall` on all JS and fixed every relevant warning.
  - Forced minification on and browsed around the site using JS behaviors. Didn't hit anything problematic.

Reviewers: vrana, btrahan

Reviewed By: vrana

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5670
2013-05-18 17:04:22 -07:00

246 lines
6.6 KiB
JavaScript

/**
* @provides javelin-uri
* @requires javelin-install
* javelin-util
* javelin-stratcom
*
* @javelin-installs JX.$U
*
* @javelin
*/
/**
* Handy convenience function that returns a @{class:JX.URI} instance. This
* allows you to write things like:
*
* JX.$U('http://zombo.com/').getDomain();
*
* @param string Unparsed URI.
* @return @{class:JX.URI} JX.URI instance.
*
* @group uri
*/
JX.$U = function(uri) {
return new JX.URI(uri);
};
/**
* Convert a string URI into a maleable object.
*
* var uri = new JX.URI('http://www.example.com/asdf.php?a=b&c=d#anchor123');
* uri.getProtocol(); // http
* uri.getDomain(); // www.example.com
* uri.getPath(); // /asdf.php
* uri.getQueryParams(); // {a: 'b', c: 'd'}
* uri.getFragment(); // anchor123
*
* ...and back into a string:
*
* uri.setFragment('clowntown');
* uri.toString() // http://www.example.com/asdf.php?a=b&c=d#clowntown
*
* @group uri
*/
JX.install('URI', {
statics : {
_uriPattern : /(?:([^:\/?#]+):)?(?:\/\/([^:\/?#]*)(?::(\d*))?)?([^?#]*)(?:\?([^#]*))?(?:#(.*))?/,
/**
* Convert a Javascript object into an HTTP query string.
*
* @param Object Map of query keys to values.
* @return String HTTP query string, like 'cow=quack&duck=moo'.
*/
_defaultQuerySerializer : function(obj) {
var kv_pairs = [];
for (var key in obj) {
if (obj[key] !== null) {
var value = encodeURIComponent(obj[key]);
kv_pairs.push(encodeURIComponent(key) + (value ? '=' + value : ''));
}
}
return kv_pairs.join('&');
},
_decode : function(str) {
return decodeURIComponent(str.replace(/\+/g, ' '));
}
},
/**
* Construct a URI
*
* Accepts either absolute or relative URIs. Relative URIs may have protocol
* and domain properties set to undefined
*
* @param string absolute or relative URI
*/
construct : function(uri) {
// need to set the default value here rather than in the properties map,
// or else we get some crazy global state breakage
this.setQueryParams({});
if (uri) {
// parse the url
var result = JX.URI._uriPattern.exec(uri);
// fallback to undefined because IE has weird behavior otherwise
this.setProtocol(result[1] || undefined);
this.setDomain(result[2] || undefined);
this.setPort(result[3] || undefined);
var path = result[4];
var query = result[5];
this.setFragment(result[6] || undefined);
// parse the path
this.setPath(path.charAt(0) == '/' ? path : '/' + path);
// parse the query data
if (query && query.length) {
var dict = {};
var parts = query.split('&');
for (var ii = 0; ii < parts.length; ii++) {
var part = parts[ii];
if (!part.length) {
continue;
}
var pieces = part.split('=');
var name = pieces[0];
if (!name.length) {
continue;
}
var value = pieces.slice(1).join('=') || '';
dict[JX.URI._decode(name)] = JX.URI._decode(value);
}
this.setQueryParams(dict);
}
}
},
properties : {
protocol: undefined,
port: undefined,
path: undefined,
queryParams: undefined,
fragment: undefined,
querySerializer: undefined
},
members : {
_domain: undefined,
/**
* Append and override query data values
* Remove a query key by setting it undefined
*
* @param map
* @return @{JX.URI} self
*/
addQueryParams : function(map) {
JX.copy(this.getQueryParams(), map);
return this;
},
/**
* Set a specific query parameter
* Remove a query key by setting it undefined
*
* @param string
* @param wild
* @return @{JX.URI} self
*/
setQueryParam : function(key, value) {
var map = {};
map[key] = value;
return this.addQueryParams(map);
},
/**
* Set the domain
*
* This function checks the domain name to ensure that it is safe for
* browser consumption.
*/
setDomain : function(domain) {
var re = new RegExp(
// For the bottom 128 code points, we use a strict whitelist of
// characters that are allowed by all browsers: -.0-9:A-Z[]_a-z
'[\\x00-\\x2c\\x2f\\x3b-\\x40\\x5c\\x5e\\x60\\x7b-\\x7f' +
// In IE, these chararacters cause problems when entity-encoded.
'\\uFDD0-\\uFDEF\\uFFF0-\\uFFFF' +
// In Safari, these characters terminate the hostname.
'\\u2047\\u2048\\uFE56\\uFE5F\\uFF03\\uFF0F\\uFF1F]');
if (re.test(domain)) {
JX.$E('JX.URI.setDomain(...): invalid domain specified.');
}
this._domain = domain;
return this;
},
getDomain : function() {
return this._domain;
},
toString : function() {
if (__DEV__) {
if (this.getPath() && this.getPath().charAt(0) != '/') {
JX.$E(
'JX.URI.toString(): ' +
'Path does not begin with a "/" which means this URI will likely' +
'be malformed. Ensure any string passed to .setPath() leads "/"');
}
}
var str = '';
if (this.getProtocol()) {
str += this.getProtocol() + '://';
}
str += this.getDomain() || '';
if (this.getPort()) {
str += ':' + this.getPort();
}
// If there is a domain or a protocol, we need to provide '/' for the
// path. If we don't have either and also don't have a path, we can omit
// it to produce a partial URI without path information which begins
// with "?", "#", or is empty.
str += this.getPath() || (str ? '/' : '');
str += this._getQueryString();
if (this.getFragment()) {
str += '#' + this.getFragment();
}
return str;
},
_getQueryString : function() {
var str = (
this.getQuerySerializer() || JX.URI._defaultQuerySerializer
)(this.getQueryParams());
return str ? '?' + str : '';
},
/**
* Redirect the browser to another page by changing the window location. If
* the URI is empty, reloads the current page.
*
* You can install a Stratcom listener for the 'go' event if you need to log
* or prevent redirects.
*
* @return void
*/
go : function() {
var uri = this.toString();
if (JX.Stratcom.invoke('go', null, {uri: uri}).getPrevented()) {
return;
}
if (!uri) {
// window.location.reload clears cache in Firefox.
uri = window.location.pathname + (window.location.query || '');
}
window.location = uri;
}
}
});