} An array of parameter names. Must be treated as read-only. If the\n\t * pattern has no parameters, an empty array is returned.\n\t */\n\tUrlMatcher.prototype.parameters = function (param) {\n\t if (!isDefined(param)) return this.$$paramNames;\n\t return this.params[param] || null;\n\t};\n\t\n\t/**\n\t * @ngdoc function\n\t * @name ui.router.util.type:UrlMatcher#validates\n\t * @methodOf ui.router.util.type:UrlMatcher\n\t *\n\t * @description\n\t * Checks an object hash of parameters to validate their correctness according to the parameter\n\t * types of this `UrlMatcher`.\n\t *\n\t * @param {Object} params The object hash of parameters to validate.\n\t * @returns {boolean} Returns `true` if `params` validates, otherwise `false`.\n\t */\n\tUrlMatcher.prototype.validates = function (params) {\n\t return this.params.$$validates(params);\n\t};\n\t\n\t/**\n\t * @ngdoc function\n\t * @name ui.router.util.type:UrlMatcher#format\n\t * @methodOf ui.router.util.type:UrlMatcher\n\t *\n\t * @description\n\t * Creates a URL that matches this pattern by substituting the specified values\n\t * for the path and search parameters. Null values for path parameters are\n\t * treated as empty strings.\n\t *\n\t * @example\n\t * \n\t * new UrlMatcher('/user/{id}?q').format({ id:'bob', q:'yes' });\n\t * // returns '/user/bob?q=yes'\n\t * \n\t *\n\t * @param {Object} values the values to substitute for the parameters in this pattern.\n\t * @returns {string} the formatted URL (path and optionally search part).\n\t */\n\tUrlMatcher.prototype.format = function (values) {\n\t values = values || {};\n\t var segments = this.segments, params = this.parameters(), paramset = this.params;\n\t if (!this.validates(values)) return null;\n\t\n\t var i, search = false, nPath = segments.length - 1, nTotal = params.length, result = segments[0];\n\t\n\t function encodeDashes(str) { // Replace dashes with encoded \"\\-\"\n\t return encodeURIComponent(str).replace(/-/g, function(c) { return '%5C%' + c.charCodeAt(0).toString(16).toUpperCase(); });\n\t }\n\t\n\t for (i = 0; i < nTotal; i++) {\n\t var isPathParam = i < nPath;\n\t var name = params[i], param = paramset[name], value = param.value(values[name]);\n\t var isDefaultValue = param.isOptional && param.type.equals(param.value(), value);\n\t var squash = isDefaultValue ? param.squash : false;\n\t var encoded = param.type.encode(value);\n\t\n\t if (isPathParam) {\n\t var nextSegment = segments[i + 1];\n\t var isFinalPathParam = i + 1 === nPath;\n\t\n\t if (squash === false) {\n\t if (encoded != null) {\n\t if (isArray(encoded)) {\n\t result += map(encoded, encodeDashes).join(\"-\");\n\t } else {\n\t result += encodeURIComponent(encoded);\n\t }\n\t }\n\t result += nextSegment;\n\t } else if (squash === true) {\n\t var capture = result.match(/\\/$/) ? /\\/?(.*)/ : /(.*)/;\n\t result += nextSegment.match(capture)[1];\n\t } else if (isString(squash)) {\n\t result += squash + nextSegment;\n\t }\n\t\n\t if (isFinalPathParam && param.squash === true && result.slice(-1) === '/') result = result.slice(0, -1);\n\t } else {\n\t if (encoded == null || (isDefaultValue && squash !== false)) continue;\n\t if (!isArray(encoded)) encoded = [ encoded ];\n\t if (encoded.length === 0) continue;\n\t encoded = map(encoded, encodeURIComponent).join('&' + name + '=');\n\t result += (search ? '&' : '?') + (name + '=' + encoded);\n\t search = true;\n\t }\n\t }\n\t\n\t return result;\n\t};\n\t\n\t/**\n\t * @ngdoc object\n\t * @name ui.router.util.type:Type\n\t *\n\t * @description\n\t * Implements an interface to define custom parameter types that can be decoded from and encoded to\n\t * string parameters matched in a URL. Used by {@link ui.router.util.type:UrlMatcher `UrlMatcher`}\n\t * objects when matching or formatting URLs, or comparing or validating parameter values.\n\t *\n\t * See {@link ui.router.util.$urlMatcherFactory#methods_type `$urlMatcherFactory#type()`} for more\n\t * information on registering custom types.\n\t *\n\t * @param {Object} config A configuration object which contains the custom type definition. The object's\n\t * properties will override the default methods and/or pattern in `Type`'s public interface.\n\t * @example\n\t * \n\t * {\n\t * decode: function(val) { return parseInt(val, 10); },\n\t * encode: function(val) { return val && val.toString(); },\n\t * equals: function(a, b) { return this.is(a) && a === b; },\n\t * is: function(val) { return angular.isNumber(val) isFinite(val) && val % 1 === 0; },\n\t * pattern: /\\d+/\n\t * }\n\t * \n\t *\n\t * @property {RegExp} pattern The regular expression pattern used to match values of this type when\n\t * coming from a substring of a URL.\n\t *\n\t * @returns {Object} Returns a new `Type` object.\n\t */\n\tfunction Type(config) {\n\t extend(this, config);\n\t}\n\t\n\t/**\n\t * @ngdoc function\n\t * @name ui.router.util.type:Type#is\n\t * @methodOf ui.router.util.type:Type\n\t *\n\t * @description\n\t * Detects whether a value is of a particular type. Accepts a native (decoded) value\n\t * and determines whether it matches the current `Type` object.\n\t *\n\t * @param {*} val The value to check.\n\t * @param {string} key Optional. If the type check is happening in the context of a specific\n\t * {@link ui.router.util.type:UrlMatcher `UrlMatcher`} object, this is the name of the\n\t * parameter in which `val` is stored. Can be used for meta-programming of `Type` objects.\n\t * @returns {Boolean} Returns `true` if the value matches the type, otherwise `false`.\n\t */\n\tType.prototype.is = function(val, key) {\n\t return true;\n\t};\n\t\n\t/**\n\t * @ngdoc function\n\t * @name ui.router.util.type:Type#encode\n\t * @methodOf ui.router.util.type:Type\n\t *\n\t * @description\n\t * Encodes a custom/native type value to a string that can be embedded in a URL. Note that the\n\t * return value does *not* need to be URL-safe (i.e. passed through `encodeURIComponent()`), it\n\t * only needs to be a representation of `val` that has been coerced to a string.\n\t *\n\t * @param {*} val The value to encode.\n\t * @param {string} key The name of the parameter in which `val` is stored. Can be used for\n\t * meta-programming of `Type` objects.\n\t * @returns {string} Returns a string representation of `val` that can be encoded in a URL.\n\t */\n\tType.prototype.encode = function(val, key) {\n\t return val;\n\t};\n\t\n\t/**\n\t * @ngdoc function\n\t * @name ui.router.util.type:Type#decode\n\t * @methodOf ui.router.util.type:Type\n\t *\n\t * @description\n\t * Converts a parameter value (from URL string or transition param) to a custom/native value.\n\t *\n\t * @param {string} val The URL parameter value to decode.\n\t * @param {string} key The name of the parameter in which `val` is stored. Can be used for\n\t * meta-programming of `Type` objects.\n\t * @returns {*} Returns a custom representation of the URL parameter value.\n\t */\n\tType.prototype.decode = function(val, key) {\n\t return val;\n\t};\n\t\n\t/**\n\t * @ngdoc function\n\t * @name ui.router.util.type:Type#equals\n\t * @methodOf ui.router.util.type:Type\n\t *\n\t * @description\n\t * Determines whether two decoded values are equivalent.\n\t *\n\t * @param {*} a A value to compare against.\n\t * @param {*} b A value to compare against.\n\t * @returns {Boolean} Returns `true` if the values are equivalent/equal, otherwise `false`.\n\t */\n\tType.prototype.equals = function(a, b) {\n\t return a == b;\n\t};\n\t\n\tType.prototype.$subPattern = function() {\n\t var sub = this.pattern.toString();\n\t return sub.substr(1, sub.length - 2);\n\t};\n\t\n\tType.prototype.pattern = /.*/;\n\t\n\tType.prototype.toString = function() { return \"{Type:\" + this.name + \"}\"; };\n\t\n\t/** Given an encoded string, or a decoded object, returns a decoded object */\n\tType.prototype.$normalize = function(val) {\n\t return this.is(val) ? val : this.decode(val);\n\t};\n\t\n\t/*\n\t * Wraps an existing custom Type as an array of Type, depending on 'mode'.\n\t * e.g.:\n\t * - urlmatcher pattern \"/path?{queryParam[]:int}\"\n\t * - url: \"/path?queryParam=1&queryParam=2\n\t * - $stateParams.queryParam will be [1, 2]\n\t * if `mode` is \"auto\", then\n\t * - url: \"/path?queryParam=1 will create $stateParams.queryParam: 1\n\t * - url: \"/path?queryParam=1&queryParam=2 will create $stateParams.queryParam: [1, 2]\n\t */\n\tType.prototype.$asArray = function(mode, isSearch) {\n\t if (!mode) return this;\n\t if (mode === \"auto\" && !isSearch) throw new Error(\"'auto' array mode is for query parameters only\");\n\t\n\t function ArrayType(type, mode) {\n\t function bindTo(type, callbackName) {\n\t return function() {\n\t return type[callbackName].apply(type, arguments);\n\t };\n\t }\n\t\n\t // Wrap non-array value as array\n\t function arrayWrap(val) { return isArray(val) ? val : (isDefined(val) ? [ val ] : []); }\n\t // Unwrap array value for \"auto\" mode. Return undefined for empty array.\n\t function arrayUnwrap(val) {\n\t switch(val.length) {\n\t case 0: return undefined;\n\t case 1: return mode === \"auto\" ? val[0] : val;\n\t default: return val;\n\t }\n\t }\n\t function falsey(val) { return !val; }\n\t\n\t // Wraps type (.is/.encode/.decode) functions to operate on each value of an array\n\t function arrayHandler(callback, allTruthyMode) {\n\t return function handleArray(val) {\n\t if (isArray(val) && val.length === 0) return val;\n\t val = arrayWrap(val);\n\t var result = map(val, callback);\n\t if (allTruthyMode === true)\n\t return filter(result, falsey).length === 0;\n\t return arrayUnwrap(result);\n\t };\n\t }\n\t\n\t // Wraps type (.equals) functions to operate on each value of an array\n\t function arrayEqualsHandler(callback) {\n\t return function handleArray(val1, val2) {\n\t var left = arrayWrap(val1), right = arrayWrap(val2);\n\t if (left.length !== right.length) return false;\n\t for (var i = 0; i < left.length; i++) {\n\t if (!callback(left[i], right[i])) return false;\n\t }\n\t return true;\n\t };\n\t }\n\t\n\t this.encode = arrayHandler(bindTo(type, 'encode'));\n\t this.decode = arrayHandler(bindTo(type, 'decode'));\n\t this.is = arrayHandler(bindTo(type, 'is'), true);\n\t this.equals = arrayEqualsHandler(bindTo(type, 'equals'));\n\t this.pattern = type.pattern;\n\t this.$normalize = arrayHandler(bindTo(type, '$normalize'));\n\t this.name = type.name;\n\t this.$arrayMode = mode;\n\t }\n\t\n\t return new ArrayType(this, mode);\n\t};\n\t\n\t\n\t\n\t/**\n\t * @ngdoc object\n\t * @name ui.router.util.$urlMatcherFactory\n\t *\n\t * @description\n\t * Factory for {@link ui.router.util.type:UrlMatcher `UrlMatcher`} instances. The factory\n\t * is also available to providers under the name `$urlMatcherFactoryProvider`.\n\t */\n\tfunction $UrlMatcherFactory() {\n\t $$UMFP = this;\n\t\n\t var isCaseInsensitive = false, isStrictMode = true, defaultSquashPolicy = false;\n\t\n\t // Use tildes to pre-encode slashes.\n\t // If the slashes are simply URLEncoded, the browser can choose to pre-decode them,\n\t // and bidirectional encoding/decoding fails.\n\t // Tilde was chosen because it's not a RFC 3986 section 2.2 Reserved Character\n\t function valToString(val) { return val != null ? val.toString().replace(/(~|\\/)/g, function (m) { return {'~':'~~', '/':'~2F'}[m]; }) : val; }\n\t function valFromString(val) { return val != null ? val.toString().replace(/(~~|~2F)/g, function (m) { return {'~~':'~', '~2F':'/'}[m]; }) : val; }\n\t\n\t var $types = {}, enqueue = true, typeQueue = [], injector, defaultTypes = {\n\t \"string\": {\n\t encode: valToString,\n\t decode: valFromString,\n\t // TODO: in 1.0, make string .is() return false if value is undefined/null by default.\n\t // In 0.2.x, string params are optional by default for backwards compat\n\t is: function(val) { return val == null || !isDefined(val) || typeof val === \"string\"; },\n\t pattern: /[^/]*/\n\t },\n\t \"int\": {\n\t encode: valToString,\n\t decode: function(val) { return parseInt(val, 10); },\n\t is: function(val) { return isDefined(val) && this.decode(val.toString()) === val; },\n\t pattern: /\\d+/\n\t },\n\t \"bool\": {\n\t encode: function(val) { return val ? 1 : 0; },\n\t decode: function(val) { return parseInt(val, 10) !== 0; },\n\t is: function(val) { return val === true || val === false; },\n\t pattern: /0|1/\n\t },\n\t \"date\": {\n\t encode: function (val) {\n\t if (!this.is(val))\n\t return undefined;\n\t return [ val.getFullYear(),\n\t ('0' + (val.getMonth() + 1)).slice(-2),\n\t ('0' + val.getDate()).slice(-2)\n\t ].join(\"-\");\n\t },\n\t decode: function (val) {\n\t if (this.is(val)) return val;\n\t var match = this.capture.exec(val);\n\t return match ? new Date(match[1], match[2] - 1, match[3]) : undefined;\n\t },\n\t is: function(val) { return val instanceof Date && !isNaN(val.valueOf()); },\n\t equals: function (a, b) { return this.is(a) && this.is(b) && a.toISOString() === b.toISOString(); },\n\t pattern: /[0-9]{4}-(?:0[1-9]|1[0-2])-(?:0[1-9]|[1-2][0-9]|3[0-1])/,\n\t capture: /([0-9]{4})-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])/\n\t },\n\t \"json\": {\n\t encode: angular.toJson,\n\t decode: angular.fromJson,\n\t is: angular.isObject,\n\t equals: angular.equals,\n\t pattern: /[^/]*/\n\t },\n\t \"any\": { // does not encode/decode\n\t encode: angular.identity,\n\t decode: angular.identity,\n\t equals: angular.equals,\n\t pattern: /.*/\n\t }\n\t };\n\t\n\t function getDefaultConfig() {\n\t return {\n\t strict: isStrictMode,\n\t caseInsensitive: isCaseInsensitive\n\t };\n\t }\n\t\n\t function isInjectable(value) {\n\t return (isFunction(value) || (isArray(value) && isFunction(value[value.length - 1])));\n\t }\n\t\n\t /**\n\t * [Internal] Get the default value of a parameter, which may be an injectable function.\n\t */\n\t $UrlMatcherFactory.$$getDefaultValue = function(config) {\n\t if (!isInjectable(config.value)) return config.value;\n\t if (!injector) throw new Error(\"Injectable functions cannot be called at configuration time\");\n\t return injector.invoke(config.value);\n\t };\n\t\n\t /**\n\t * @ngdoc function\n\t * @name ui.router.util.$urlMatcherFactory#caseInsensitive\n\t * @methodOf ui.router.util.$urlMatcherFactory\n\t *\n\t * @description\n\t * Defines whether URL matching should be case sensitive (the default behavior), or not.\n\t *\n\t * @param {boolean} value `false` to match URL in a case sensitive manner; otherwise `true`;\n\t * @returns {boolean} the current value of caseInsensitive\n\t */\n\t this.caseInsensitive = function(value) {\n\t if (isDefined(value))\n\t isCaseInsensitive = value;\n\t return isCaseInsensitive;\n\t };\n\t\n\t /**\n\t * @ngdoc function\n\t * @name ui.router.util.$urlMatcherFactory#strictMode\n\t * @methodOf ui.router.util.$urlMatcherFactory\n\t *\n\t * @description\n\t * Defines whether URLs should match trailing slashes, or not (the default behavior).\n\t *\n\t * @param {boolean=} value `false` to match trailing slashes in URLs, otherwise `true`.\n\t * @returns {boolean} the current value of strictMode\n\t */\n\t this.strictMode = function(value) {\n\t if (isDefined(value))\n\t isStrictMode = value;\n\t return isStrictMode;\n\t };\n\t\n\t /**\n\t * @ngdoc function\n\t * @name ui.router.util.$urlMatcherFactory#defaultSquashPolicy\n\t * @methodOf ui.router.util.$urlMatcherFactory\n\t *\n\t * @description\n\t * Sets the default behavior when generating or matching URLs with default parameter values.\n\t *\n\t * @param {string} value A string that defines the default parameter URL squashing behavior.\n\t * `nosquash`: When generating an href with a default parameter value, do not squash the parameter value from the URL\n\t * `slash`: When generating an href with a default parameter value, squash (remove) the parameter value, and, if the\n\t * parameter is surrounded by slashes, squash (remove) one slash from the URL\n\t * any other string, e.g. \"~\": When generating an href with a default parameter value, squash (remove)\n\t * the parameter value from the URL and replace it with this string.\n\t */\n\t this.defaultSquashPolicy = function(value) {\n\t if (!isDefined(value)) return defaultSquashPolicy;\n\t if (value !== true && value !== false && !isString(value))\n\t throw new Error(\"Invalid squash policy: \" + value + \". Valid policies: false, true, arbitrary-string\");\n\t defaultSquashPolicy = value;\n\t return value;\n\t };\n\t\n\t /**\n\t * @ngdoc function\n\t * @name ui.router.util.$urlMatcherFactory#compile\n\t * @methodOf ui.router.util.$urlMatcherFactory\n\t *\n\t * @description\n\t * Creates a {@link ui.router.util.type:UrlMatcher `UrlMatcher`} for the specified pattern.\n\t *\n\t * @param {string} pattern The URL pattern.\n\t * @param {Object} config The config object hash.\n\t * @returns {UrlMatcher} The UrlMatcher.\n\t */\n\t this.compile = function (pattern, config) {\n\t return new UrlMatcher(pattern, extend(getDefaultConfig(), config));\n\t };\n\t\n\t /**\n\t * @ngdoc function\n\t * @name ui.router.util.$urlMatcherFactory#isMatcher\n\t * @methodOf ui.router.util.$urlMatcherFactory\n\t *\n\t * @description\n\t * Returns true if the specified object is a `UrlMatcher`, or false otherwise.\n\t *\n\t * @param {Object} object The object to perform the type check against.\n\t * @returns {Boolean} Returns `true` if the object matches the `UrlMatcher` interface, by\n\t * implementing all the same methods.\n\t */\n\t this.isMatcher = function (o) {\n\t if (!isObject(o)) return false;\n\t var result = true;\n\t\n\t forEach(UrlMatcher.prototype, function(val, name) {\n\t if (isFunction(val)) {\n\t result = result && (isDefined(o[name]) && isFunction(o[name]));\n\t }\n\t });\n\t return result;\n\t };\n\t\n\t /**\n\t * @ngdoc function\n\t * @name ui.router.util.$urlMatcherFactory#type\n\t * @methodOf ui.router.util.$urlMatcherFactory\n\t *\n\t * @description\n\t * Registers a custom {@link ui.router.util.type:Type `Type`} object that can be used to\n\t * generate URLs with typed parameters.\n\t *\n\t * @param {string} name The type name.\n\t * @param {Object|Function} definition The type definition. See\n\t * {@link ui.router.util.type:Type `Type`} for information on the values accepted.\n\t * @param {Object|Function} definitionFn (optional) A function that is injected before the app\n\t * runtime starts. The result of this function is merged into the existing `definition`.\n\t * See {@link ui.router.util.type:Type `Type`} for information on the values accepted.\n\t *\n\t * @returns {Object} Returns `$urlMatcherFactoryProvider`.\n\t *\n\t * @example\n\t * This is a simple example of a custom type that encodes and decodes items from an\n\t * array, using the array index as the URL-encoded value:\n\t *\n\t * \n\t * var list = ['John', 'Paul', 'George', 'Ringo'];\n\t *\n\t * $urlMatcherFactoryProvider.type('listItem', {\n\t * encode: function(item) {\n\t * // Represent the list item in the URL using its corresponding index\n\t * return list.indexOf(item);\n\t * },\n\t * decode: function(item) {\n\t * // Look up the list item by index\n\t * return list[parseInt(item, 10)];\n\t * },\n\t * is: function(item) {\n\t * // Ensure the item is valid by checking to see that it appears\n\t * // in the list\n\t * return list.indexOf(item) > -1;\n\t * }\n\t * });\n\t *\n\t * $stateProvider.state('list', {\n\t * url: \"/list/{item:listItem}\",\n\t * controller: function($scope, $stateParams) {\n\t * console.log($stateParams.item);\n\t * }\n\t * });\n\t *\n\t * // ...\n\t *\n\t * // Changes URL to '/list/3', logs \"Ringo\" to the console\n\t * $state.go('list', { item: \"Ringo\" });\n\t * \n\t *\n\t * This is a more complex example of a type that relies on dependency injection to\n\t * interact with services, and uses the parameter name from the URL to infer how to\n\t * handle encoding and decoding parameter values:\n\t *\n\t * \n\t * // Defines a custom type that gets a value from a service,\n\t * // where each service gets different types of values from\n\t * // a backend API:\n\t * $urlMatcherFactoryProvider.type('dbObject', {}, function(Users, Posts) {\n\t *\n\t * // Matches up services to URL parameter names\n\t * var services = {\n\t * user: Users,\n\t * post: Posts\n\t * };\n\t *\n\t * return {\n\t * encode: function(object) {\n\t * // Represent the object in the URL using its unique ID\n\t * return object.id;\n\t * },\n\t * decode: function(value, key) {\n\t * // Look up the object by ID, using the parameter\n\t * // name (key) to call the correct service\n\t * return services[key].findById(value);\n\t * },\n\t * is: function(object, key) {\n\t * // Check that object is a valid dbObject\n\t * return angular.isObject(object) && object.id && services[key];\n\t * }\n\t * equals: function(a, b) {\n\t * // Check the equality of decoded objects by comparing\n\t * // their unique IDs\n\t * return a.id === b.id;\n\t * }\n\t * };\n\t * });\n\t *\n\t * // In a config() block, you can then attach URLs with\n\t * // type-annotated parameters:\n\t * $stateProvider.state('users', {\n\t * url: \"/users\",\n\t * // ...\n\t * }).state('users.item', {\n\t * url: \"/{user:dbObject}\",\n\t * controller: function($scope, $stateParams) {\n\t * // $stateParams.user will now be an object returned from\n\t * // the Users service\n\t * },\n\t * // ...\n\t * });\n\t * \n\t */\n\t this.type = function (name, definition, definitionFn) {\n\t if (!isDefined(definition)) return $types[name];\n\t if ($types.hasOwnProperty(name)) throw new Error(\"A type named '\" + name + \"' has already been defined.\");\n\t\n\t $types[name] = new Type(extend({ name: name }, definition));\n\t if (definitionFn) {\n\t typeQueue.push({ name: name, def: definitionFn });\n\t if (!enqueue) flushTypeQueue();\n\t }\n\t return this;\n\t };\n\t\n\t // `flushTypeQueue()` waits until `$urlMatcherFactory` is injected before invoking the queued `definitionFn`s\n\t function flushTypeQueue() {\n\t while(typeQueue.length) {\n\t var type = typeQueue.shift();\n\t if (type.pattern) throw new Error(\"You cannot override a type's .pattern at runtime.\");\n\t angular.extend($types[type.name], injector.invoke(type.def));\n\t }\n\t }\n\t\n\t // Register default types. Store them in the prototype of $types.\n\t forEach(defaultTypes, function(type, name) { $types[name] = new Type(extend({name: name}, type)); });\n\t $types = inherit($types, {});\n\t\n\t /* No need to document $get, since it returns this */\n\t this.$get = ['$injector', function ($injector) {\n\t injector = $injector;\n\t enqueue = false;\n\t flushTypeQueue();\n\t\n\t forEach(defaultTypes, function(type, name) {\n\t if (!$types[name]) $types[name] = new Type(type);\n\t });\n\t return this;\n\t }];\n\t\n\t this.Param = function Param(id, type, config, location) {\n\t var self = this;\n\t config = unwrapShorthand(config);\n\t type = getType(config, type, location);\n\t var arrayMode = getArrayMode();\n\t type = arrayMode ? type.$asArray(arrayMode, location === \"search\") : type;\n\t if (type.name === \"string\" && !arrayMode && location === \"path\" && config.value === undefined)\n\t config.value = \"\"; // for 0.2.x; in 0.3.0+ do not automatically default to \"\"\n\t var isOptional = config.value !== undefined;\n\t var squash = getSquashPolicy(config, isOptional);\n\t var replace = getReplace(config, arrayMode, isOptional, squash);\n\t\n\t function unwrapShorthand(config) {\n\t var keys = isObject(config) ? objectKeys(config) : [];\n\t var isShorthand = indexOf(keys, \"value\") === -1 && indexOf(keys, \"type\") === -1 &&\n\t indexOf(keys, \"squash\") === -1 && indexOf(keys, \"array\") === -1;\n\t if (isShorthand) config = { value: config };\n\t config.$$fn = isInjectable(config.value) ? config.value : function () { return config.value; };\n\t return config;\n\t }\n\t\n\t function getType(config, urlType, location) {\n\t if (config.type && urlType) throw new Error(\"Param '\"+id+\"' has two type configurations.\");\n\t if (urlType) return urlType;\n\t if (!config.type) return (location === \"config\" ? $types.any : $types.string);\n\t\n\t if (angular.isString(config.type))\n\t return $types[config.type];\n\t if (config.type instanceof Type)\n\t return config.type;\n\t return new Type(config.type);\n\t }\n\t\n\t // array config: param name (param[]) overrides default settings. explicit config overrides param name.\n\t function getArrayMode() {\n\t var arrayDefaults = { array: (location === \"search\" ? \"auto\" : false) };\n\t var arrayParamNomenclature = id.match(/\\[\\]$/) ? { array: true } : {};\n\t return extend(arrayDefaults, arrayParamNomenclature, config).array;\n\t }\n\t\n\t /**\n\t * returns false, true, or the squash value to indicate the \"default parameter url squash policy\".\n\t */\n\t function getSquashPolicy(config, isOptional) {\n\t var squash = config.squash;\n\t if (!isOptional || squash === false) return false;\n\t if (!isDefined(squash) || squash == null) return defaultSquashPolicy;\n\t if (squash === true || isString(squash)) return squash;\n\t throw new Error(\"Invalid squash policy: '\" + squash + \"'. Valid policies: false, true, or arbitrary string\");\n\t }\n\t\n\t function getReplace(config, arrayMode, isOptional, squash) {\n\t var replace, configuredKeys, defaultPolicy = [\n\t { from: \"\", to: (isOptional || arrayMode ? undefined : \"\") },\n\t { from: null, to: (isOptional || arrayMode ? undefined : \"\") }\n\t ];\n\t replace = isArray(config.replace) ? config.replace : [];\n\t if (isString(squash))\n\t replace.push({ from: squash, to: undefined });\n\t configuredKeys = map(replace, function(item) { return item.from; } );\n\t return filter(defaultPolicy, function(item) { return indexOf(configuredKeys, item.from) === -1; }).concat(replace);\n\t }\n\t\n\t /**\n\t * [Internal] Get the default value of a parameter, which may be an injectable function.\n\t */\n\t function $$getDefaultValue() {\n\t if (!injector) throw new Error(\"Injectable functions cannot be called at configuration time\");\n\t var defaultValue = injector.invoke(config.$$fn);\n\t if (defaultValue !== null && defaultValue !== undefined && !self.type.is(defaultValue))\n\t throw new Error(\"Default value (\" + defaultValue + \") for parameter '\" + self.id + \"' is not an instance of Type (\" + self.type.name + \")\");\n\t return defaultValue;\n\t }\n\t\n\t /**\n\t * [Internal] Gets the decoded representation of a value if the value is defined, otherwise, returns the\n\t * default value, which may be the result of an injectable function.\n\t */\n\t function $value(value) {\n\t function hasReplaceVal(val) { return function(obj) { return obj.from === val; }; }\n\t function $replace(value) {\n\t var replacement = map(filter(self.replace, hasReplaceVal(value)), function(obj) { return obj.to; });\n\t return replacement.length ? replacement[0] : value;\n\t }\n\t value = $replace(value);\n\t return !isDefined(value) ? $$getDefaultValue() : self.type.$normalize(value);\n\t }\n\t\n\t function toString() { return \"{Param:\" + id + \" \" + type + \" squash: '\" + squash + \"' optional: \" + isOptional + \"}\"; }\n\t\n\t extend(this, {\n\t id: id,\n\t type: type,\n\t location: location,\n\t array: arrayMode,\n\t squash: squash,\n\t replace: replace,\n\t isOptional: isOptional,\n\t value: $value,\n\t dynamic: undefined,\n\t config: config,\n\t toString: toString\n\t });\n\t };\n\t\n\t function ParamSet(params) {\n\t extend(this, params || {});\n\t }\n\t\n\t ParamSet.prototype = {\n\t $$new: function() {\n\t return inherit(this, extend(new ParamSet(), { $$parent: this}));\n\t },\n\t $$keys: function () {\n\t var keys = [], chain = [], parent = this,\n\t ignore = objectKeys(ParamSet.prototype);\n\t while (parent) { chain.push(parent); parent = parent.$$parent; }\n\t chain.reverse();\n\t forEach(chain, function(paramset) {\n\t forEach(objectKeys(paramset), function(key) {\n\t if (indexOf(keys, key) === -1 && indexOf(ignore, key) === -1) keys.push(key);\n\t });\n\t });\n\t return keys;\n\t },\n\t $$values: function(paramValues) {\n\t var values = {}, self = this;\n\t forEach(self.$$keys(), function(key) {\n\t values[key] = self[key].value(paramValues && paramValues[key]);\n\t });\n\t return values;\n\t },\n\t $$equals: function(paramValues1, paramValues2) {\n\t var equal = true, self = this;\n\t forEach(self.$$keys(), function(key) {\n\t var left = paramValues1 && paramValues1[key], right = paramValues2 && paramValues2[key];\n\t if (!self[key].type.equals(left, right)) equal = false;\n\t });\n\t return equal;\n\t },\n\t $$validates: function $$validate(paramValues) {\n\t var keys = this.$$keys(), i, param, rawVal, normalized, encoded;\n\t for (i = 0; i < keys.length; i++) {\n\t param = this[keys[i]];\n\t rawVal = paramValues[keys[i]];\n\t if ((rawVal === undefined || rawVal === null) && param.isOptional)\n\t break; // There was no parameter value, but the param is optional\n\t normalized = param.type.$normalize(rawVal);\n\t if (!param.type.is(normalized))\n\t return false; // The value was not of the correct Type, and could not be decoded to the correct Type\n\t encoded = param.type.encode(normalized);\n\t if (angular.isString(encoded) && !param.type.pattern.exec(encoded))\n\t return false; // The value was of the correct type, but when encoded, did not match the Type's regexp\n\t }\n\t return true;\n\t },\n\t $$parent: undefined\n\t };\n\t\n\t this.ParamSet = ParamSet;\n\t}\n\t\n\t// Register as a provider so it's available to other providers\n\tangular.module('ui.router.util').provider('$urlMatcherFactory', $UrlMatcherFactory);\n\tangular.module('ui.router.util').run(['$urlMatcherFactory', function($urlMatcherFactory) { }]);\n\t\n\t/**\n\t * @ngdoc object\n\t * @name ui.router.router.$urlRouterProvider\n\t *\n\t * @requires ui.router.util.$urlMatcherFactoryProvider\n\t * @requires $locationProvider\n\t *\n\t * @description\n\t * `$urlRouterProvider` has the responsibility of watching `$location`. \n\t * When `$location` changes it runs through a list of rules one by one until a \n\t * match is found. `$urlRouterProvider` is used behind the scenes anytime you specify \n\t * a url in a state configuration. All urls are compiled into a UrlMatcher object.\n\t *\n\t * There are several methods on `$urlRouterProvider` that make it useful to use directly\n\t * in your module config.\n\t */\n\t$UrlRouterProvider.$inject = ['$locationProvider', '$urlMatcherFactoryProvider'];\n\tfunction $UrlRouterProvider( $locationProvider, $urlMatcherFactory) {\n\t var rules = [], otherwise = null, interceptDeferred = false, listener;\n\t\n\t // Returns a string that is a prefix of all strings matching the RegExp\n\t function regExpPrefix(re) {\n\t var prefix = /^\\^((?:\\\\[^a-zA-Z0-9]|[^\\\\\\[\\]\\^$*+?.()|{}]+)*)/.exec(re.source);\n\t return (prefix != null) ? prefix[1].replace(/\\\\(.)/g, \"$1\") : '';\n\t }\n\t\n\t // Interpolates matched values into a String.replace()-style pattern\n\t function interpolate(pattern, match) {\n\t return pattern.replace(/\\$(\\$|\\d{1,2})/, function (m, what) {\n\t return match[what === '$' ? 0 : Number(what)];\n\t });\n\t }\n\t\n\t /**\n\t * @ngdoc function\n\t * @name ui.router.router.$urlRouterProvider#rule\n\t * @methodOf ui.router.router.$urlRouterProvider\n\t *\n\t * @description\n\t * Defines rules that are used by `$urlRouterProvider` to find matches for\n\t * specific URLs.\n\t *\n\t * @example\n\t * \n\t * var app = angular.module('app', ['ui.router.router']);\n\t *\n\t * app.config(function ($urlRouterProvider) {\n\t * // Here's an example of how you might allow case insensitive urls\n\t * $urlRouterProvider.rule(function ($injector, $location) {\n\t * var path = $location.path(),\n\t * normalized = path.toLowerCase();\n\t *\n\t * if (path !== normalized) {\n\t * return normalized;\n\t * }\n\t * });\n\t * });\n\t * \n\t *\n\t * @param {function} rule Handler function that takes `$injector` and `$location`\n\t * services as arguments. You can use them to return a valid path as a string.\n\t *\n\t * @return {object} `$urlRouterProvider` - `$urlRouterProvider` instance\n\t */\n\t this.rule = function (rule) {\n\t if (!isFunction(rule)) throw new Error(\"'rule' must be a function\");\n\t rules.push(rule);\n\t return this;\n\t };\n\t\n\t /**\n\t * @ngdoc object\n\t * @name ui.router.router.$urlRouterProvider#otherwise\n\t * @methodOf ui.router.router.$urlRouterProvider\n\t *\n\t * @description\n\t * Defines a path that is used when an invalid route is requested.\n\t *\n\t * @example\n\t * \n\t * var app = angular.module('app', ['ui.router.router']);\n\t *\n\t * app.config(function ($urlRouterProvider) {\n\t * // if the path doesn't match any of the urls you configured\n\t * // otherwise will take care of routing the user to the\n\t * // specified url\n\t * $urlRouterProvider.otherwise('/index');\n\t *\n\t * // Example of using function rule as param\n\t * $urlRouterProvider.otherwise(function ($injector, $location) {\n\t * return '/a/valid/url';\n\t * });\n\t * });\n\t * \n\t *\n\t * @param {string|function} rule The url path you want to redirect to or a function \n\t * rule that returns the url path. The function version is passed two params: \n\t * `$injector` and `$location` services, and must return a url string.\n\t *\n\t * @return {object} `$urlRouterProvider` - `$urlRouterProvider` instance\n\t */\n\t this.otherwise = function (rule) {\n\t if (isString(rule)) {\n\t var redirect = rule;\n\t rule = function () { return redirect; };\n\t }\n\t else if (!isFunction(rule)) throw new Error(\"'rule' must be a function\");\n\t otherwise = rule;\n\t return this;\n\t };\n\t\n\t\n\t function handleIfMatch($injector, handler, match) {\n\t if (!match) return false;\n\t var result = $injector.invoke(handler, handler, { $match: match });\n\t return isDefined(result) ? result : true;\n\t }\n\t\n\t /**\n\t * @ngdoc function\n\t * @name ui.router.router.$urlRouterProvider#when\n\t * @methodOf ui.router.router.$urlRouterProvider\n\t *\n\t * @description\n\t * Registers a handler for a given url matching. \n\t * \n\t * If the handler is a string, it is\n\t * treated as a redirect, and is interpolated according to the syntax of match\n\t * (i.e. like `String.replace()` for `RegExp`, or like a `UrlMatcher` pattern otherwise).\n\t *\n\t * If the handler is a function, it is injectable. It gets invoked if `$location`\n\t * matches. You have the option of inject the match object as `$match`.\n\t *\n\t * The handler can return\n\t *\n\t * - **falsy** to indicate that the rule didn't match after all, then `$urlRouter`\n\t * will continue trying to find another one that matches.\n\t * - **string** which is treated as a redirect and passed to `$location.url()`\n\t * - **void** or any **truthy** value tells `$urlRouter` that the url was handled.\n\t *\n\t * @example\n\t * \n\t * var app = angular.module('app', ['ui.router.router']);\n\t *\n\t * app.config(function ($urlRouterProvider) {\n\t * $urlRouterProvider.when($state.url, function ($match, $stateParams) {\n\t * if ($state.$current.navigable !== state ||\n\t * !equalForKeys($match, $stateParams) {\n\t * $state.transitionTo(state, $match, false);\n\t * }\n\t * });\n\t * });\n\t * \n\t *\n\t * @param {string|object} what The incoming path that you want to redirect.\n\t * @param {string|function} handler The path you want to redirect your user to.\n\t */\n\t this.when = function (what, handler) {\n\t var redirect, handlerIsString = isString(handler);\n\t if (isString(what)) what = $urlMatcherFactory.compile(what);\n\t\n\t if (!handlerIsString && !isFunction(handler) && !isArray(handler))\n\t throw new Error(\"invalid 'handler' in when()\");\n\t\n\t var strategies = {\n\t matcher: function (what, handler) {\n\t if (handlerIsString) {\n\t redirect = $urlMatcherFactory.compile(handler);\n\t handler = ['$match', function ($match) { return redirect.format($match); }];\n\t }\n\t return extend(function ($injector, $location) {\n\t return handleIfMatch($injector, handler, what.exec($location.path(), $location.search()));\n\t }, {\n\t prefix: isString(what.prefix) ? what.prefix : ''\n\t });\n\t },\n\t regex: function (what, handler) {\n\t if (what.global || what.sticky) throw new Error(\"when() RegExp must not be global or sticky\");\n\t\n\t if (handlerIsString) {\n\t redirect = handler;\n\t handler = ['$match', function ($match) { return interpolate(redirect, $match); }];\n\t }\n\t return extend(function ($injector, $location) {\n\t return handleIfMatch($injector, handler, what.exec($location.path()));\n\t }, {\n\t prefix: regExpPrefix(what)\n\t });\n\t }\n\t };\n\t\n\t var check = { matcher: $urlMatcherFactory.isMatcher(what), regex: what instanceof RegExp };\n\t\n\t for (var n in check) {\n\t if (check[n]) return this.rule(strategies[n](what, handler));\n\t }\n\t\n\t throw new Error(\"invalid 'what' in when()\");\n\t };\n\t\n\t /**\n\t * @ngdoc function\n\t * @name ui.router.router.$urlRouterProvider#deferIntercept\n\t * @methodOf ui.router.router.$urlRouterProvider\n\t *\n\t * @description\n\t * Disables (or enables) deferring location change interception.\n\t *\n\t * If you wish to customize the behavior of syncing the URL (for example, if you wish to\n\t * defer a transition but maintain the current URL), call this method at configuration time.\n\t * Then, at run time, call `$urlRouter.listen()` after you have configured your own\n\t * `$locationChangeSuccess` event handler.\n\t *\n\t * @example\n\t * \n\t * var app = angular.module('app', ['ui.router.router']);\n\t *\n\t * app.config(function ($urlRouterProvider) {\n\t *\n\t * // Prevent $urlRouter from automatically intercepting URL changes;\n\t * // this allows you to configure custom behavior in between\n\t * // location changes and route synchronization:\n\t * $urlRouterProvider.deferIntercept();\n\t *\n\t * }).run(function ($rootScope, $urlRouter, UserService) {\n\t *\n\t * $rootScope.$on('$locationChangeSuccess', function(e) {\n\t * // UserService is an example service for managing user state\n\t * if (UserService.isLoggedIn()) return;\n\t *\n\t * // Prevent $urlRouter's default handler from firing\n\t * e.preventDefault();\n\t *\n\t * UserService.handleLogin().then(function() {\n\t * // Once the user has logged in, sync the current URL\n\t * // to the router:\n\t * $urlRouter.sync();\n\t * });\n\t * });\n\t *\n\t * // Configures $urlRouter's listener *after* your custom listener\n\t * $urlRouter.listen();\n\t * });\n\t * \n\t *\n\t * @param {boolean} defer Indicates whether to defer location change interception. Passing\n\t no parameter is equivalent to `true`.\n\t */\n\t this.deferIntercept = function (defer) {\n\t if (defer === undefined) defer = true;\n\t interceptDeferred = defer;\n\t };\n\t\n\t /**\n\t * @ngdoc object\n\t * @name ui.router.router.$urlRouter\n\t *\n\t * @requires $location\n\t * @requires $rootScope\n\t * @requires $injector\n\t * @requires $browser\n\t *\n\t * @description\n\t *\n\t */\n\t this.$get = $get;\n\t $get.$inject = ['$location', '$rootScope', '$injector', '$browser', '$sniffer'];\n\t function $get( $location, $rootScope, $injector, $browser, $sniffer) {\n\t\n\t var baseHref = $browser.baseHref(), location = $location.url(), lastPushedUrl;\n\t\n\t function appendBasePath(url, isHtml5, absolute) {\n\t if (baseHref === '/') return url;\n\t if (isHtml5) return baseHref.slice(0, -1) + url;\n\t if (absolute) return baseHref.slice(1) + url;\n\t return url;\n\t }\n\t\n\t // TODO: Optimize groups of rules with non-empty prefix into some sort of decision tree\n\t function update(evt) {\n\t if (evt && evt.defaultPrevented) return;\n\t var ignoreUpdate = lastPushedUrl && $location.url() === lastPushedUrl;\n\t lastPushedUrl = undefined;\n\t // TODO: Re-implement this in 1.0 for https://github.com/angular-ui/ui-router/issues/1573\n\t //if (ignoreUpdate) return true;\n\t\n\t function check(rule) {\n\t var handled = rule($injector, $location);\n\t\n\t if (!handled) return false;\n\t if (isString(handled)) $location.replace().url(handled);\n\t return true;\n\t }\n\t var n = rules.length, i;\n\t\n\t for (i = 0; i < n; i++) {\n\t if (check(rules[i])) return;\n\t }\n\t // always check otherwise last to allow dynamic updates to the set of rules\n\t if (otherwise) check(otherwise);\n\t }\n\t\n\t function listen() {\n\t listener = listener || $rootScope.$on('$locationChangeSuccess', update);\n\t return listener;\n\t }\n\t\n\t if (!interceptDeferred) listen();\n\t\n\t return {\n\t /**\n\t * @ngdoc function\n\t * @name ui.router.router.$urlRouter#sync\n\t * @methodOf ui.router.router.$urlRouter\n\t *\n\t * @description\n\t * Triggers an update; the same update that happens when the address bar url changes, aka `$locationChangeSuccess`.\n\t * This method is useful when you need to use `preventDefault()` on the `$locationChangeSuccess` event,\n\t * perform some custom logic (route protection, auth, config, redirection, etc) and then finally proceed\n\t * with the transition by calling `$urlRouter.sync()`.\n\t *\n\t * @example\n\t * \n\t * angular.module('app', ['ui.router'])\n\t * .run(function($rootScope, $urlRouter) {\n\t * $rootScope.$on('$locationChangeSuccess', function(evt) {\n\t * // Halt state change from even starting\n\t * evt.preventDefault();\n\t * // Perform custom logic\n\t * var meetsRequirement = ...\n\t * // Continue with the update and state transition if logic allows\n\t * if (meetsRequirement) $urlRouter.sync();\n\t * });\n\t * });\n\t * \n\t */\n\t sync: function() {\n\t update();\n\t },\n\t\n\t listen: function() {\n\t return listen();\n\t },\n\t\n\t update: function(read) {\n\t if (read) {\n\t location = $location.url();\n\t return;\n\t }\n\t if ($location.url() === location) return;\n\t\n\t $location.url(location);\n\t $location.replace();\n\t },\n\t\n\t push: function(urlMatcher, params, options) {\n\t var url = urlMatcher.format(params || {});\n\t\n\t // Handle the special hash param, if needed\n\t if (url !== null && params && params['#']) {\n\t url += '#' + params['#'];\n\t }\n\t\n\t $location.url(url);\n\t lastPushedUrl = options && options.$$avoidResync ? $location.url() : undefined;\n\t if (options && options.replace) $location.replace();\n\t },\n\t\n\t /**\n\t * @ngdoc function\n\t * @name ui.router.router.$urlRouter#href\n\t * @methodOf ui.router.router.$urlRouter\n\t *\n\t * @description\n\t * A URL generation method that returns the compiled URL for a given\n\t * {@link ui.router.util.type:UrlMatcher `UrlMatcher`}, populated with the provided parameters.\n\t *\n\t * @example\n\t * \n\t * $bob = $urlRouter.href(new UrlMatcher(\"/about/:person\"), {\n\t * person: \"bob\"\n\t * });\n\t * // $bob == \"/about/bob\";\n\t * \n\t *\n\t * @param {UrlMatcher} urlMatcher The `UrlMatcher` object which is used as the template of the URL to generate.\n\t * @param {object=} params An object of parameter values to fill the matcher's required parameters.\n\t * @param {object=} options Options object. The options are:\n\t *\n\t * - **`absolute`** - {boolean=false}, If true will generate an absolute url, e.g. \"http://www.example.com/fullurl\".\n\t *\n\t * @returns {string} Returns the fully compiled URL, or `null` if `params` fail validation against `urlMatcher`\n\t */\n\t href: function(urlMatcher, params, options) {\n\t if (!urlMatcher.validates(params)) return null;\n\t\n\t var isHtml5 = $locationProvider.html5Mode();\n\t if (angular.isObject(isHtml5)) {\n\t isHtml5 = isHtml5.enabled;\n\t }\n\t\n\t isHtml5 = isHtml5 && $sniffer.history;\n\t \n\t var url = urlMatcher.format(params);\n\t options = options || {};\n\t\n\t if (!isHtml5 && url !== null) {\n\t url = \"#\" + $locationProvider.hashPrefix() + url;\n\t }\n\t\n\t // Handle special hash param, if needed\n\t if (url !== null && params && params['#']) {\n\t url += '#' + params['#'];\n\t }\n\t\n\t url = appendBasePath(url, isHtml5, options.absolute);\n\t\n\t if (!options.absolute || !url) {\n\t return url;\n\t }\n\t\n\t var slash = (!isHtml5 && url ? '/' : ''), port = $location.port();\n\t port = (port === 80 || port === 443 ? '' : ':' + port);\n\t\n\t return [$location.protocol(), '://', $location.host(), port, slash, url].join('');\n\t }\n\t };\n\t }\n\t}\n\t\n\tangular.module('ui.router.router').provider('$urlRouter', $UrlRouterProvider);\n\t\n\t/**\n\t * @ngdoc object\n\t * @name ui.router.state.$stateProvider\n\t *\n\t * @requires ui.router.router.$urlRouterProvider\n\t * @requires ui.router.util.$urlMatcherFactoryProvider\n\t *\n\t * @description\n\t * The new `$stateProvider` works similar to Angular's v1 router, but it focuses purely\n\t * on state.\n\t *\n\t * A state corresponds to a \"place\" in the application in terms of the overall UI and\n\t * navigation. A state describes (via the controller / template / view properties) what\n\t * the UI looks like and does at that place.\n\t *\n\t * States often have things in common, and the primary way of factoring out these\n\t * commonalities in this model is via the state hierarchy, i.e. parent/child states aka\n\t * nested states.\n\t *\n\t * The `$stateProvider` provides interfaces to declare these states for your app.\n\t */\n\t$StateProvider.$inject = ['$urlRouterProvider', '$urlMatcherFactoryProvider'];\n\tfunction $StateProvider( $urlRouterProvider, $urlMatcherFactory) {\n\t\n\t var root, states = {}, $state, queue = {}, abstractKey = 'abstract';\n\t\n\t // Builds state properties from definition passed to registerState()\n\t var stateBuilder = {\n\t\n\t // Derive parent state from a hierarchical name only if 'parent' is not explicitly defined.\n\t // state.children = [];\n\t // if (parent) parent.children.push(state);\n\t parent: function(state) {\n\t if (isDefined(state.parent) && state.parent) return findState(state.parent);\n\t // regex matches any valid composite state name\n\t // would match \"contact.list\" but not \"contacts\"\n\t var compositeName = /^(.+)\\.[^.]+$/.exec(state.name);\n\t return compositeName ? findState(compositeName[1]) : root;\n\t },\n\t\n\t // inherit 'data' from parent and override by own values (if any)\n\t data: function(state) {\n\t if (state.parent && state.parent.data) {\n\t state.data = state.self.data = inherit(state.parent.data, state.data);\n\t }\n\t return state.data;\n\t },\n\t\n\t // Build a URLMatcher if necessary, either via a relative or absolute URL\n\t url: function(state) {\n\t var url = state.url, config = { params: state.params || {} };\n\t\n\t if (isString(url)) {\n\t if (url.charAt(0) == '^') return $urlMatcherFactory.compile(url.substring(1), config);\n\t return (state.parent.navigable || root).url.concat(url, config);\n\t }\n\t\n\t if (!url || $urlMatcherFactory.isMatcher(url)) return url;\n\t throw new Error(\"Invalid url '\" + url + \"' in state '\" + state + \"'\");\n\t },\n\t\n\t // Keep track of the closest ancestor state that has a URL (i.e. is navigable)\n\t navigable: function(state) {\n\t return state.url ? state : (state.parent ? state.parent.navigable : null);\n\t },\n\t\n\t // Own parameters for this state. state.url.params is already built at this point. Create and add non-url params\n\t ownParams: function(state) {\n\t var params = state.url && state.url.params || new $$UMFP.ParamSet();\n\t forEach(state.params || {}, function(config, id) {\n\t if (!params[id]) params[id] = new $$UMFP.Param(id, null, config, \"config\");\n\t });\n\t return params;\n\t },\n\t\n\t // Derive parameters for this state and ensure they're a super-set of parent's parameters\n\t params: function(state) {\n\t var ownParams = pick(state.ownParams, state.ownParams.$$keys());\n\t return state.parent && state.parent.params ? extend(state.parent.params.$$new(), ownParams) : new $$UMFP.ParamSet();\n\t },\n\t\n\t // If there is no explicit multi-view configuration, make one up so we don't have\n\t // to handle both cases in the view directive later. Note that having an explicit\n\t // 'views' property will mean the default unnamed view properties are ignored. This\n\t // is also a good time to resolve view names to absolute names, so everything is a\n\t // straight lookup at link time.\n\t views: function(state) {\n\t var views = {};\n\t\n\t forEach(isDefined(state.views) ? state.views : { '': state }, function (view, name) {\n\t if (name.indexOf('@') < 0) name += '@' + state.parent.name;\n\t view.resolveAs = view.resolveAs || state.resolveAs || '$resolve';\n\t views[name] = view;\n\t });\n\t return views;\n\t },\n\t\n\t // Keep a full path from the root down to this state as this is needed for state activation.\n\t path: function(state) {\n\t return state.parent ? state.parent.path.concat(state) : []; // exclude root from path\n\t },\n\t\n\t // Speed up $state.contains() as it's used a lot\n\t includes: function(state) {\n\t var includes = state.parent ? extend({}, state.parent.includes) : {};\n\t includes[state.name] = true;\n\t return includes;\n\t },\n\t\n\t $delegates: {}\n\t };\n\t\n\t function isRelative(stateName) {\n\t return stateName.indexOf(\".\") === 0 || stateName.indexOf(\"^\") === 0;\n\t }\n\t\n\t function findState(stateOrName, base) {\n\t if (!stateOrName) return undefined;\n\t\n\t var isStr = isString(stateOrName),\n\t name = isStr ? stateOrName : stateOrName.name,\n\t path = isRelative(name);\n\t\n\t if (path) {\n\t if (!base) throw new Error(\"No reference point given for path '\" + name + \"'\");\n\t base = findState(base);\n\t \n\t var rel = name.split(\".\"), i = 0, pathLength = rel.length, current = base;\n\t\n\t for (; i < pathLength; i++) {\n\t if (rel[i] === \"\" && i === 0) {\n\t current = base;\n\t continue;\n\t }\n\t if (rel[i] === \"^\") {\n\t if (!current.parent) throw new Error(\"Path '\" + name + \"' not valid for state '\" + base.name + \"'\");\n\t current = current.parent;\n\t continue;\n\t }\n\t break;\n\t }\n\t rel = rel.slice(i).join(\".\");\n\t name = current.name + (current.name && rel ? \".\" : \"\") + rel;\n\t }\n\t var state = states[name];\n\t\n\t if (state && (isStr || (!isStr && (state === stateOrName || state.self === stateOrName)))) {\n\t return state;\n\t }\n\t return undefined;\n\t }\n\t\n\t function queueState(parentName, state) {\n\t if (!queue[parentName]) {\n\t queue[parentName] = [];\n\t }\n\t queue[parentName].push(state);\n\t }\n\t\n\t function flushQueuedChildren(parentName) {\n\t var queued = queue[parentName] || [];\n\t while(queued.length) {\n\t registerState(queued.shift());\n\t }\n\t }\n\t\n\t function registerState(state) {\n\t // Wrap a new object around the state so we can store our private details easily.\n\t state = inherit(state, {\n\t self: state,\n\t resolve: state.resolve || {},\n\t toString: function() { return this.name; }\n\t });\n\t\n\t var name = state.name;\n\t if (!isString(name) || name.indexOf('@') >= 0) throw new Error(\"State must have a valid name\");\n\t if (states.hasOwnProperty(name)) throw new Error(\"State '\" + name + \"' is already defined\");\n\t\n\t // Get parent name\n\t var parentName = (name.indexOf('.') !== -1) ? name.substring(0, name.lastIndexOf('.'))\n\t : (isString(state.parent)) ? state.parent\n\t : (isObject(state.parent) && isString(state.parent.name)) ? state.parent.name\n\t : '';\n\t\n\t // If parent is not registered yet, add state to queue and register later\n\t if (parentName && !states[parentName]) {\n\t return queueState(parentName, state.self);\n\t }\n\t\n\t for (var key in stateBuilder) {\n\t if (isFunction(stateBuilder[key])) state[key] = stateBuilder[key](state, stateBuilder.$delegates[key]);\n\t }\n\t states[name] = state;\n\t\n\t // Register the state in the global state list and with $urlRouter if necessary.\n\t if (!state[abstractKey] && state.url) {\n\t $urlRouterProvider.when(state.url, ['$match', '$stateParams', function ($match, $stateParams) {\n\t if ($state.$current.navigable != state || !equalForKeys($match, $stateParams)) {\n\t $state.transitionTo(state, $match, { inherit: true, location: false });\n\t }\n\t }]);\n\t }\n\t\n\t // Register any queued children\n\t flushQueuedChildren(name);\n\t\n\t return state;\n\t }\n\t\n\t // Checks text to see if it looks like a glob.\n\t function isGlob (text) {\n\t return text.indexOf('*') > -1;\n\t }\n\t\n\t // Returns true if glob matches current $state name.\n\t function doesStateMatchGlob (glob) {\n\t var globSegments = glob.split('.'),\n\t segments = $state.$current.name.split('.');\n\t\n\t //match single stars\n\t for (var i = 0, l = globSegments.length; i < l; i++) {\n\t if (globSegments[i] === '*') {\n\t segments[i] = '*';\n\t }\n\t }\n\t\n\t //match greedy starts\n\t if (globSegments[0] === '**') {\n\t segments = segments.slice(indexOf(segments, globSegments[1]));\n\t segments.unshift('**');\n\t }\n\t //match greedy ends\n\t if (globSegments[globSegments.length - 1] === '**') {\n\t segments.splice(indexOf(segments, globSegments[globSegments.length - 2]) + 1, Number.MAX_VALUE);\n\t segments.push('**');\n\t }\n\t\n\t if (globSegments.length != segments.length) {\n\t return false;\n\t }\n\t\n\t return segments.join('') === globSegments.join('');\n\t }\n\t\n\t\n\t // Implicit root state that is always active\n\t root = registerState({\n\t name: '',\n\t url: '^',\n\t views: null,\n\t 'abstract': true\n\t });\n\t root.navigable = null;\n\t\n\t\n\t /**\n\t * @ngdoc function\n\t * @name ui.router.state.$stateProvider#decorator\n\t * @methodOf ui.router.state.$stateProvider\n\t *\n\t * @description\n\t * Allows you to extend (carefully) or override (at your own peril) the \n\t * `stateBuilder` object used internally by `$stateProvider`. This can be used \n\t * to add custom functionality to ui-router, for example inferring templateUrl \n\t * based on the state name.\n\t *\n\t * When passing only a name, it returns the current (original or decorated) builder\n\t * function that matches `name`.\n\t *\n\t * The builder functions that can be decorated are listed below. Though not all\n\t * necessarily have a good use case for decoration, that is up to you to decide.\n\t *\n\t * In addition, users can attach custom decorators, which will generate new \n\t * properties within the state's internal definition. There is currently no clear \n\t * use-case for this beyond accessing internal states (i.e. $state.$current), \n\t * however, expect this to become increasingly relevant as we introduce additional \n\t * meta-programming features.\n\t *\n\t * **Warning**: Decorators should not be interdependent because the order of \n\t * execution of the builder functions in non-deterministic. Builder functions \n\t * should only be dependent on the state definition object and super function.\n\t *\n\t *\n\t * Existing builder functions and current return values:\n\t *\n\t * - **parent** `{object}` - returns the parent state object.\n\t * - **data** `{object}` - returns state data, including any inherited data that is not\n\t * overridden by own values (if any).\n\t * - **url** `{object}` - returns a {@link ui.router.util.type:UrlMatcher UrlMatcher}\n\t * or `null`.\n\t * - **navigable** `{object}` - returns closest ancestor state that has a URL (aka is \n\t * navigable).\n\t * - **params** `{object}` - returns an array of state params that are ensured to \n\t * be a super-set of parent's params.\n\t * - **views** `{object}` - returns a views object where each key is an absolute view \n\t * name (i.e. \"viewName@stateName\") and each value is the config object \n\t * (template, controller) for the view. Even when you don't use the views object \n\t * explicitly on a state config, one is still created for you internally.\n\t * So by decorating this builder function you have access to decorating template \n\t * and controller properties.\n\t * - **ownParams** `{object}` - returns an array of params that belong to the state, \n\t * not including any params defined by ancestor states.\n\t * - **path** `{string}` - returns the full path from the root down to this state. \n\t * Needed for state activation.\n\t * - **includes** `{object}` - returns an object that includes every state that \n\t * would pass a `$state.includes()` test.\n\t *\n\t * @example\n\t * \n\t * // Override the internal 'views' builder with a function that takes the state\n\t * // definition, and a reference to the internal function being overridden:\n\t * $stateProvider.decorator('views', function (state, parent) {\n\t * var result = {},\n\t * views = parent(state);\n\t *\n\t * angular.forEach(views, function (config, name) {\n\t * var autoName = (state.name + '.' + name).replace('.', '/');\n\t * config.templateUrl = config.templateUrl || '/partials/' + autoName + '.html';\n\t * result[name] = config;\n\t * });\n\t * return result;\n\t * });\n\t *\n\t * $stateProvider.state('home', {\n\t * views: {\n\t * 'contact.list': { controller: 'ListController' },\n\t * 'contact.item': { controller: 'ItemController' }\n\t * }\n\t * });\n\t *\n\t * // ...\n\t *\n\t * $state.go('home');\n\t * // Auto-populates list and item views with /partials/home/contact/list.html,\n\t * // and /partials/home/contact/item.html, respectively.\n\t * \n\t *\n\t * @param {string} name The name of the builder function to decorate. \n\t * @param {object} func A function that is responsible for decorating the original \n\t * builder function. The function receives two parameters:\n\t *\n\t * - `{object}` - state - The state config object.\n\t * - `{object}` - super - The original builder function.\n\t *\n\t * @return {object} $stateProvider - $stateProvider instance\n\t */\n\t this.decorator = decorator;\n\t function decorator(name, func) {\n\t /*jshint validthis: true */\n\t if (isString(name) && !isDefined(func)) {\n\t return stateBuilder[name];\n\t }\n\t if (!isFunction(func) || !isString(name)) {\n\t return this;\n\t }\n\t if (stateBuilder[name] && !stateBuilder.$delegates[name]) {\n\t stateBuilder.$delegates[name] = stateBuilder[name];\n\t }\n\t stateBuilder[name] = func;\n\t return this;\n\t }\n\t\n\t /**\n\t * @ngdoc function\n\t * @name ui.router.state.$stateProvider#state\n\t * @methodOf ui.router.state.$stateProvider\n\t *\n\t * @description\n\t * Registers a state configuration under a given state name. The stateConfig object\n\t * has the following acceptable properties.\n\t *\n\t * @param {string} name A unique state name, e.g. \"home\", \"about\", \"contacts\".\n\t * To create a parent/child state use a dot, e.g. \"about.sales\", \"home.newest\".\n\t * @param {object} stateConfig State configuration object.\n\t * @param {string|function=} stateConfig.template\n\t * \n\t * html template as a string or a function that returns\n\t * an html template as a string which should be used by the uiView directives. This property \n\t * takes precedence over templateUrl.\n\t * \n\t * If `template` is a function, it will be called with the following parameters:\n\t *\n\t * - {array.<object>} - state parameters extracted from the current $location.path() by\n\t * applying the current state\n\t *\n\t * template:\n\t * \"inline template definition
\" +\n\t * \"\"
\n\t * template: function(params) {\n\t * return \"generated template
\"; }\n\t *