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/*!
* jsUri
* https://github.com/derek-watson/jsUri
*
* Copyright 2013, Derek Watson
* Released under the MIT license.
*
* Includes parseUri regular expressions
* http://blog.stevenlevithan.com/archives/parseuri
* Copyright 2007, Steven Levithan
* Released under the MIT license.
*/
/*globals define, module */
(function(global) {
var re = {
starts_with_slashes: /^\/+/,
ends_with_slashes: /\/+$/,
pluses: /\+/g,
query_separator: /[&;]/,
uri_parser: /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@\/]*)(?::([^:@]*))?)?@)?(\[[0-9a-fA-F:.]+\]|[^:\/?#]*)(?::(\d+|(?=:)))?(:)?)((((?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
};
/**
* Define forEach for older js environments
* @see https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/forEach#Compatibility
*/
if (!Array.prototype.forEach) {
Array.prototype.forEach = function(callback, thisArg) {
var T, k;
if (this == null) {
throw new TypeError(' this is null or not defined');
}
var O = Object(this);
var len = O.length >>> 0;
if (typeof callback !== "function") {
throw new TypeError(callback + ' is not a function');
}
if (arguments.length > 1) {
T = thisArg;
}
k = 0;
while (k < len) {
var kValue;
if (k in O) {
kValue = O[k];
callback.call(T, kValue, k, O);
}
k++;
}
};
}
/**
* unescape a query param value
* @param {string} s encoded value
* @return {string} decoded value
*/
function decode(s) {
if (s) {
s = s.toString().replace(re.pluses, '%20');
s = decodeURIComponent(s);
}
return s;
}
/**
* Breaks a uri string down into its individual parts
* @param {string} str uri
* @return {object} parts
*/
function parseUri(str) {
var parser = re.uri_parser;
var parserKeys = ["source", "protocol", "authority", "userInfo", "user", "password", "host", "port", "isColonUri", "relative", "path", "directory", "file", "query", "anchor"];
var m = parser.exec(str || '');
var parts = {};
parserKeys.forEach(function(key, i) {
parts[key] = m[i] || '';
});
return parts;
}
/**
* Breaks a query string down into an array of key/value pairs
* @param {string} str query
* @return {array} array of arrays (key/value pairs)
*/
function parseQuery(str) {
var i, ps, p, n, k, v, l;
var pairs = [];
if (typeof(str) === 'undefined' || str === null || str === '') {
return pairs;
}
if (str.indexOf('?') === 0) {
str = str.substring(1);
}
ps = str.toString().split(re.query_separator);
for (i = 0, l = ps.length; i < l; i++) {
p = ps[i];
n = p.indexOf('=');
if (n !== 0) {
k = decode(p.substring(0, n));
v = decode(p.substring(n + 1));
pairs.push(n === -1 ? [p, null] : [k, v]);
}
}
return pairs;
}
/**
* Creates a new Uri object
* @constructor
* @param {string} str
*/
function Uri(str) {
this.uriParts = parseUri(str);
this.queryPairs = parseQuery(this.uriParts.query);
this.hasAuthorityPrefixUserPref = null;
}
/**
* Define getter/setter methods
*/
['protocol', 'userInfo', 'host', 'port', 'path', 'anchor'].forEach(function(key) {
Uri.prototype[key] = function(val) {
if (typeof val !== 'undefined') {
this.uriParts[key] = val;
}
return this.uriParts[key];
};
});
/**
* if there is no protocol, the leading // can be enabled or disabled
* @param {Boolean} val
* @return {Boolean}
*/
Uri.prototype.hasAuthorityPrefix = function(val) {
if (typeof val !== 'undefined') {
this.hasAuthorityPrefixUserPref = val;
}
if (this.hasAuthorityPrefixUserPref === null) {
return (this.uriParts.source.indexOf('//') !== -1);
} else {
return this.hasAuthorityPrefixUserPref;
}
};
Uri.prototype.isColonUri = function (val) {
if (typeof val !== 'undefined') {
this.uriParts.isColonUri = !!val;
} else {
return !!this.uriParts.isColonUri;
}
};
/**
* Serializes the internal state of the query pairs
* @param {string} [val] set a new query string
* @return {string} query string
*/
Uri.prototype.query = function(val) {
var s = '', i, param, l;
if (typeof val !== 'undefined') {
this.queryPairs = parseQuery(val);
}
for (i = 0, l = this.queryPairs.length; i < l; i++) {
param = this.queryPairs[i];
if (s.length > 0) {
s += '&';
}
if (param[1] === null) {
s += param[0];
} else {
s += param[0];
s += '=';
if (typeof param[1] !== 'undefined') {
s += encodeURIComponent(param[1]);
}
}
}
return s.length > 0 ? '?' + s : s;
};
/**
* returns the first query param value found for the key
* @param {string} key query key
* @return {string} first value found for key
*/
Uri.prototype.getQueryParamValue = function (key) {
var param, i, l;
for (i = 0, l = this.queryPairs.length; i < l; i++) {
param = this.queryPairs[i];
if (key === param[0]) {
return param[1];
}
}
};
/**
* returns an array of query param values for the key
* @param {string} key query key
* @return {array} array of values
*/
Uri.prototype.getQueryParamValues = function (key) {
var arr = [], i, param, l;
for (i = 0, l = this.queryPairs.length; i < l; i++) {
param = this.queryPairs[i];
if (key === param[0]) {
arr.push(param[1]);
}
}
return arr;
};
/**
* removes query parameters
* @param {string} key remove values for key
* @param {val} [val] remove a specific value, otherwise removes all
* @return {Uri} returns self for fluent chaining
*/
Uri.prototype.deleteQueryParam = function (key, val) {
var arr = [], i, param, keyMatchesFilter, valMatchesFilter, l;
for (i = 0, l = this.queryPairs.length; i < l; i++) {
param = this.queryPairs[i];
keyMatchesFilter = decode(param[0]) === decode(key);
valMatchesFilter = param[1] === val;
if ((arguments.length === 1 && !keyMatchesFilter) || (arguments.length === 2 && (!keyMatchesFilter || !valMatchesFilter))) {
arr.push(param);
}
}
this.queryPairs = arr;
return this;
};
/**
* adds a query parameter
* @param {string} key add values for key
* @param {string} val value to add
* @param {integer} [index] specific index to add the value at
* @return {Uri} returns self for fluent chaining
*/
Uri.prototype.addQueryParam = function (key, val, index) {
if (arguments.length === 3 && index !== -1) {
index = Math.min(index, this.queryPairs.length);
this.queryPairs.splice(index, 0, [key, val]);
} else if (arguments.length > 0) {
this.queryPairs.push([key, val]);
}
return this;
};
/**
* test for the existence of a query parameter
* @param {string} key add values for key
* @param {string} val value to add
* @param {integer} [index] specific index to add the value at
* @return {Uri} returns self for fluent chaining
*/
Uri.prototype.hasQueryParam = function (key) {
var i, len = this.queryPairs.length;
for (i = 0; i < len; i++) {
if (this.queryPairs[i][0] == key)
return true;
}
return false;
};
/**
* replaces query param values
* @param {string} key key to replace value for
* @param {string} newVal new value
* @param {string} [oldVal] replace only one specific value (otherwise replaces all)
* @return {Uri} returns self for fluent chaining
*/
Uri.prototype.replaceQueryParam = function (key, newVal, oldVal) {
var index = -1, len = this.queryPairs.length, i, param;
if (arguments.length === 3) {
for (i = 0; i < len; i++) {
param = this.queryPairs[i];
if (decode(param[0]) === decode(key) && decodeURIComponent(param[1]) === decode(oldVal)) {
index = i;
break;
}
}
if (index >= 0) {
this.deleteQueryParam(key, decode(oldVal)).addQueryParam(key, newVal, index);
}
} else {
for (i = 0; i < len; i++) {
param = this.queryPairs[i];
if (decode(param[0]) === decode(key)) {
index = i;
break;
}
}
this.deleteQueryParam(key);
this.addQueryParam(key, newVal, index);
}
return this;
};
/**
* Define fluent setter methods (setProtocol, setHasAuthorityPrefix, etc)
*/
['protocol', 'hasAuthorityPrefix', 'isColonUri', 'userInfo', 'host', 'port', 'path', 'query', 'anchor'].forEach(function(key) {
var method = 'set' + key.charAt(0).toUpperCase() + key.slice(1);
Uri.prototype[method] = function(val) {
this[key](val);
return this;
};
});
/**
* Scheme name, colon and doubleslash, as required
* @return {string} http:// or possibly just //
*/
Uri.prototype.scheme = function() {
var s = '';
if (this.protocol()) {
s += this.protocol();
if (this.protocol().indexOf(':') !== this.protocol().length - 1) {
s += ':';
}
s += '//';
} else {
if (this.hasAuthorityPrefix() && this.host()) {
s += '//';
}
}
return s;
};
/**
* Same as Mozilla nsIURI.prePath
* @return {string} scheme://user:password@host:port
* @see https://developer.mozilla.org/en/nsIURI
*/
Uri.prototype.origin = function() {
var s = this.scheme();
if (this.userInfo() && this.host()) {
s += this.userInfo();
if (this.userInfo().indexOf('@') !== this.userInfo().length - 1) {
s += '@';
}
}
if (this.host()) {
s += this.host();
if (this.port() || (this.path() && this.path().substr(0, 1).match(/[0-9]/))) {
s += ':' + this.port();
}
}
return s;
};
/**
* Adds a trailing slash to the path
*/
Uri.prototype.addTrailingSlash = function() {
var path = this.path() || '';
if (path.substr(-1) !== '/') {
this.path(path + '/');
}
return this;
};
/**
* Serializes the internal state of the Uri object
* @return {string}
*/
Uri.prototype.toString = function() {
var path, s = this.origin();
if (this.isColonUri()) {
if (this.path()) {
s += ':'+this.path();
}
} else if (this.path()) {
path = this.path();
if (!(re.ends_with_slashes.test(s) || re.starts_with_slashes.test(path))) {
s += '/';
} else {
if (s) {
s.replace(re.ends_with_slashes, '/');
}
path = path.replace(re.starts_with_slashes, '/');
}
s += path;
} else {
if (this.host() && (this.query().toString() || this.anchor())) {
s += '/';
}
}
if (this.query().toString()) {
s += this.query().toString();
}
if (this.anchor()) {
if (this.anchor().indexOf('#') !== 0) {
s += '#';
}
s += this.anchor();
}
return s;
};
/**
* Clone a Uri object
* @return {Uri} duplicate copy of the Uri
*/
Uri.prototype.clone = function() {
return new Uri(this.toString());
};
/**
* export via AMD or CommonJS, otherwise leak a global
*/
if (typeof define === 'function' && define.amd) {
define(function() {
return Uri;
});
} else if (typeof module !== 'undefined' && typeof module.exports !== 'undefined') {
module.exports = Uri;
} else {
global.Uri = Uri;
}
}(this));