} An array of parameter names. Must be treated as read-only. If the
+ * pattern has no parameters, an empty array is returned.
+ */
+UrlMatcher.prototype.parameters = function (param) {
+ if (!isDefined(param)) return this.$$paramNames;
+ return this.params[param] || null;
+};
+
+/**
+ * @ngdoc function
+ * @name ui.router.util.type:UrlMatcher#validates
+ * @methodOf ui.router.util.type:UrlMatcher
+ *
+ * @description
+ * Checks an object hash of parameters to validate their correctness according to the parameter
+ * types of this `UrlMatcher`.
+ *
+ * @param {Object} params The object hash of parameters to validate.
+ * @returns {boolean} Returns `true` if `params` validates, otherwise `false`.
+ */
+UrlMatcher.prototype.validates = function (params) {
+ return this.params.$$validates(params);
+};
+
+/**
+ * @ngdoc function
+ * @name ui.router.util.type:UrlMatcher#format
+ * @methodOf ui.router.util.type:UrlMatcher
+ *
+ * @description
+ * Creates a URL that matches this pattern by substituting the specified values
+ * for the path and search parameters. Null values for path parameters are
+ * treated as empty strings.
+ *
+ * @example
+ *
+ * new UrlMatcher('/user/{id}?q').format({ id:'bob', q:'yes' });
+ * // returns '/user/bob?q=yes'
+ *
+ *
+ * @param {Object} values the values to substitute for the parameters in this pattern.
+ * @returns {string} the formatted URL (path and optionally search part).
+ */
+UrlMatcher.prototype.format = function (values) {
+ values = values || {};
+ var segments = this.segments, params = this.parameters(), paramset = this.params;
+ if (!this.validates(values)) return null;
+
+ var i, search = false, nPath = segments.length - 1, nTotal = params.length, result = segments[0];
+
+ function encodeDashes(str) { // Replace dashes with encoded "\-"
+ return encodeURIComponent(str).replace(/-/g, function(c) { return '%5C%' + c.charCodeAt(0).toString(16).toUpperCase(); });
+ }
+
+ for (i = 0; i < nTotal; i++) {
+ var isPathParam = i < nPath;
+ var name = params[i], param = paramset[name], value = param.value(values[name]);
+ var isDefaultValue = param.isOptional && param.type.equals(param.value(), value);
+ var squash = isDefaultValue ? param.squash : false;
+ var encoded = param.type.encode(value);
+
+ if (isPathParam) {
+ var nextSegment = segments[i + 1];
+ var isFinalPathParam = i + 1 === nPath;
+
+ if (squash === false) {
+ if (encoded != null) {
+ if (isArray(encoded)) {
+ result += map(encoded, encodeDashes).join("-");
+ } else {
+ result += encodeURIComponent(encoded);
+ }
+ }
+ result += nextSegment;
+ } else if (squash === true) {
+ var capture = result.match(/\/$/) ? /\/?(.*)/ : /(.*)/;
+ result += nextSegment.match(capture)[1];
+ } else if (isString(squash)) {
+ result += squash + nextSegment;
+ }
+
+ if (isFinalPathParam && param.squash === true && result.slice(-1) === '/') result = result.slice(0, -1);
+ } else {
+ if (encoded == null || (isDefaultValue && squash !== false)) continue;
+ if (!isArray(encoded)) encoded = [ encoded ];
+ if (encoded.length === 0) continue;
+ encoded = map(encoded, encodeURIComponent).join('&' + name + '=');
+ result += (search ? '&' : '?') + (name + '=' + encoded);
+ search = true;
+ }
+ }
+
+ return result;
+};
+
+/**
+ * @ngdoc object
+ * @name ui.router.util.type:Type
+ *
+ * @description
+ * Implements an interface to define custom parameter types that can be decoded from and encoded to
+ * string parameters matched in a URL. Used by {@link ui.router.util.type:UrlMatcher `UrlMatcher`}
+ * objects when matching or formatting URLs, or comparing or validating parameter values.
+ *
+ * See {@link ui.router.util.$urlMatcherFactory#methods_type `$urlMatcherFactory#type()`} for more
+ * information on registering custom types.
+ *
+ * @param {Object} config A configuration object which contains the custom type definition. The object's
+ * properties will override the default methods and/or pattern in `Type`'s public interface.
+ * @example
+ *
+ * {
+ * decode: function(val) { return parseInt(val, 10); },
+ * encode: function(val) { return val && val.toString(); },
+ * equals: function(a, b) { return this.is(a) && a === b; },
+ * is: function(val) { return angular.isNumber(val) isFinite(val) && val % 1 === 0; },
+ * pattern: /\d+/
+ * }
+ *
+ *
+ * @property {RegExp} pattern The regular expression pattern used to match values of this type when
+ * coming from a substring of a URL.
+ *
+ * @returns {Object} Returns a new `Type` object.
+ */
+function Type(config) {
+ extend(this, config);
+}
+
+/**
+ * @ngdoc function
+ * @name ui.router.util.type:Type#is
+ * @methodOf ui.router.util.type:Type
+ *
+ * @description
+ * Detects whether a value is of a particular type. Accepts a native (decoded) value
+ * and determines whether it matches the current `Type` object.
+ *
+ * @param {*} val The value to check.
+ * @param {string} key Optional. If the type check is happening in the context of a specific
+ * {@link ui.router.util.type:UrlMatcher `UrlMatcher`} object, this is the name of the
+ * parameter in which `val` is stored. Can be used for meta-programming of `Type` objects.
+ * @returns {Boolean} Returns `true` if the value matches the type, otherwise `false`.
+ */
+Type.prototype.is = function(val, key) {
+ return true;
+};
+
+/**
+ * @ngdoc function
+ * @name ui.router.util.type:Type#encode
+ * @methodOf ui.router.util.type:Type
+ *
+ * @description
+ * Encodes a custom/native type value to a string that can be embedded in a URL. Note that the
+ * return value does *not* need to be URL-safe (i.e. passed through `encodeURIComponent()`), it
+ * only needs to be a representation of `val` that has been coerced to a string.
+ *
+ * @param {*} val The value to encode.
+ * @param {string} key The name of the parameter in which `val` is stored. Can be used for
+ * meta-programming of `Type` objects.
+ * @returns {string} Returns a string representation of `val` that can be encoded in a URL.
+ */
+Type.prototype.encode = function(val, key) {
+ return val;
+};
+
+/**
+ * @ngdoc function
+ * @name ui.router.util.type:Type#decode
+ * @methodOf ui.router.util.type:Type
+ *
+ * @description
+ * Converts a parameter value (from URL string or transition param) to a custom/native value.
+ *
+ * @param {string} val The URL parameter value to decode.
+ * @param {string} key The name of the parameter in which `val` is stored. Can be used for
+ * meta-programming of `Type` objects.
+ * @returns {*} Returns a custom representation of the URL parameter value.
+ */
+Type.prototype.decode = function(val, key) {
+ return val;
+};
+
+/**
+ * @ngdoc function
+ * @name ui.router.util.type:Type#equals
+ * @methodOf ui.router.util.type:Type
+ *
+ * @description
+ * Determines whether two decoded values are equivalent.
+ *
+ * @param {*} a A value to compare against.
+ * @param {*} b A value to compare against.
+ * @returns {Boolean} Returns `true` if the values are equivalent/equal, otherwise `false`.
+ */
+Type.prototype.equals = function(a, b) {
+ return a == b;
+};
+
+Type.prototype.$subPattern = function() {
+ var sub = this.pattern.toString();
+ return sub.substr(1, sub.length - 2);
+};
+
+Type.prototype.pattern = /.*/;
+
+Type.prototype.toString = function() { return "{Type:" + this.name + "}"; };
+
+/** Given an encoded string, or a decoded object, returns a decoded object */
+Type.prototype.$normalize = function(val) {
+ return this.is(val) ? val : this.decode(val);
+};
+
+/*
+ * Wraps an existing custom Type as an array of Type, depending on 'mode'.
+ * e.g.:
+ * - urlmatcher pattern "/path?{queryParam[]:int}"
+ * - url: "/path?queryParam=1&queryParam=2
+ * - $stateParams.queryParam will be [1, 2]
+ * if `mode` is "auto", then
+ * - url: "/path?queryParam=1 will create $stateParams.queryParam: 1
+ * - url: "/path?queryParam=1&queryParam=2 will create $stateParams.queryParam: [1, 2]
+ */
+Type.prototype.$asArray = function(mode, isSearch) {
+ if (!mode) return this;
+ if (mode === "auto" && !isSearch) throw new Error("'auto' array mode is for query parameters only");
+
+ function ArrayType(type, mode) {
+ function bindTo(type, callbackName) {
+ return function() {
+ return type[callbackName].apply(type, arguments);
+ };
+ }
+
+ // Wrap non-array value as array
+ function arrayWrap(val) { return isArray(val) ? val : (isDefined(val) ? [ val ] : []); }
+ // Unwrap array value for "auto" mode. Return undefined for empty array.
+ function arrayUnwrap(val) {
+ switch(val.length) {
+ case 0: return undefined;
+ case 1: return mode === "auto" ? val[0] : val;
+ default: return val;
+ }
+ }
+ function falsey(val) { return !val; }
+
+ // Wraps type (.is/.encode/.decode) functions to operate on each value of an array
+ function arrayHandler(callback, allTruthyMode) {
+ return function handleArray(val) {
+ if (isArray(val) && val.length === 0) return val;
+ val = arrayWrap(val);
+ var result = map(val, callback);
+ if (allTruthyMode === true)
+ return filter(result, falsey).length === 0;
+ return arrayUnwrap(result);
+ };
+ }
+
+ // Wraps type (.equals) functions to operate on each value of an array
+ function arrayEqualsHandler(callback) {
+ return function handleArray(val1, val2) {
+ var left = arrayWrap(val1), right = arrayWrap(val2);
+ if (left.length !== right.length) return false;
+ for (var i = 0; i < left.length; i++) {
+ if (!callback(left[i], right[i])) return false;
+ }
+ return true;
+ };
+ }
+
+ this.encode = arrayHandler(bindTo(type, 'encode'));
+ this.decode = arrayHandler(bindTo(type, 'decode'));
+ this.is = arrayHandler(bindTo(type, 'is'), true);
+ this.equals = arrayEqualsHandler(bindTo(type, 'equals'));
+ this.pattern = type.pattern;
+ this.$normalize = arrayHandler(bindTo(type, '$normalize'));
+ this.name = type.name;
+ this.$arrayMode = mode;
+ }
+
+ return new ArrayType(this, mode);
+};
+
+
+
+/**
+ * @ngdoc object
+ * @name ui.router.util.$urlMatcherFactory
+ *
+ * @description
+ * Factory for {@link ui.router.util.type:UrlMatcher `UrlMatcher`} instances. The factory
+ * is also available to providers under the name `$urlMatcherFactoryProvider`.
+ */
+function $UrlMatcherFactory() {
+ $$UMFP = this;
+
+ var isCaseInsensitive = false, isStrictMode = true, defaultSquashPolicy = false;
+
+ // Use tildes to pre-encode slashes.
+ // If the slashes are simply URLEncoded, the browser can choose to pre-decode them,
+ // and bidirectional encoding/decoding fails.
+ // Tilde was chosen because it's not a RFC 3986 section 2.2 Reserved Character
+ function valToString(val) { return val != null ? val.toString().replace(/~/g, "~~").replace(/\//g, "~2F") : val; }
+ function valFromString(val) { return val != null ? val.toString().replace(/~2F/g, "/").replace(/~~/g, "~") : val; }
+
+ var $types = {}, enqueue = true, typeQueue = [], injector, defaultTypes = {
+ "string": {
+ encode: valToString,
+ decode: valFromString,
+ // TODO: in 1.0, make string .is() return false if value is undefined/null by default.
+ // In 0.2.x, string params are optional by default for backwards compat
+ is: function(val) { return val == null || !isDefined(val) || typeof val === "string"; },
+ pattern: /[^/]*/
+ },
+ "int": {
+ encode: valToString,
+ decode: function(val) { return parseInt(val, 10); },
+ is: function(val) { return isDefined(val) && this.decode(val.toString()) === val; },
+ pattern: /\d+/
+ },
+ "bool": {
+ encode: function(val) { return val ? 1 : 0; },
+ decode: function(val) { return parseInt(val, 10) !== 0; },
+ is: function(val) { return val === true || val === false; },
+ pattern: /0|1/
+ },
+ "date": {
+ encode: function (val) {
+ if (!this.is(val))
+ return undefined;
+ return [ val.getFullYear(),
+ ('0' + (val.getMonth() + 1)).slice(-2),
+ ('0' + val.getDate()).slice(-2)
+ ].join("-");
+ },
+ decode: function (val) {
+ if (this.is(val)) return val;
+ var match = this.capture.exec(val);
+ return match ? new Date(match[1], match[2] - 1, match[3]) : undefined;
+ },
+ is: function(val) { return val instanceof Date && !isNaN(val.valueOf()); },
+ equals: function (a, b) { return this.is(a) && this.is(b) && a.toISOString() === b.toISOString(); },
+ pattern: /[0-9]{4}-(?:0[1-9]|1[0-2])-(?:0[1-9]|[1-2][0-9]|3[0-1])/,
+ capture: /([0-9]{4})-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])/
+ },
+ "json": {
+ encode: angular.toJson,
+ decode: angular.fromJson,
+ is: angular.isObject,
+ equals: angular.equals,
+ pattern: /[^/]*/
+ },
+ "any": { // does not encode/decode
+ encode: angular.identity,
+ decode: angular.identity,
+ equals: angular.equals,
+ pattern: /.*/
+ }
+ };
+
+ function getDefaultConfig() {
+ return {
+ strict: isStrictMode,
+ caseInsensitive: isCaseInsensitive
+ };
+ }
+
+ function isInjectable(value) {
+ return (isFunction(value) || (isArray(value) && isFunction(value[value.length - 1])));
+ }
+
+ /**
+ * [Internal] Get the default value of a parameter, which may be an injectable function.
+ */
+ $UrlMatcherFactory.$$getDefaultValue = function(config) {
+ if (!isInjectable(config.value)) return config.value;
+ if (!injector) throw new Error("Injectable functions cannot be called at configuration time");
+ return injector.invoke(config.value);
+ };
+
+ /**
+ * @ngdoc function
+ * @name ui.router.util.$urlMatcherFactory#caseInsensitive
+ * @methodOf ui.router.util.$urlMatcherFactory
+ *
+ * @description
+ * Defines whether URL matching should be case sensitive (the default behavior), or not.
+ *
+ * @param {boolean} value `false` to match URL in a case sensitive manner; otherwise `true`;
+ * @returns {boolean} the current value of caseInsensitive
+ */
+ this.caseInsensitive = function(value) {
+ if (isDefined(value))
+ isCaseInsensitive = value;
+ return isCaseInsensitive;
+ };
+
+ /**
+ * @ngdoc function
+ * @name ui.router.util.$urlMatcherFactory#strictMode
+ * @methodOf ui.router.util.$urlMatcherFactory
+ *
+ * @description
+ * Defines whether URLs should match trailing slashes, or not (the default behavior).
+ *
+ * @param {boolean=} value `false` to match trailing slashes in URLs, otherwise `true`.
+ * @returns {boolean} the current value of strictMode
+ */
+ this.strictMode = function(value) {
+ if (isDefined(value))
+ isStrictMode = value;
+ return isStrictMode;
+ };
+
+ /**
+ * @ngdoc function
+ * @name ui.router.util.$urlMatcherFactory#defaultSquashPolicy
+ * @methodOf ui.router.util.$urlMatcherFactory
+ *
+ * @description
+ * Sets the default behavior when generating or matching URLs with default parameter values.
+ *
+ * @param {string} value A string that defines the default parameter URL squashing behavior.
+ * `nosquash`: When generating an href with a default parameter value, do not squash the parameter value from the URL
+ * `slash`: When generating an href with a default parameter value, squash (remove) the parameter value, and, if the
+ * parameter is surrounded by slashes, squash (remove) one slash from the URL
+ * any other string, e.g. "~": When generating an href with a default parameter value, squash (remove)
+ * the parameter value from the URL and replace it with this string.
+ */
+ this.defaultSquashPolicy = function(value) {
+ if (!isDefined(value)) return defaultSquashPolicy;
+ if (value !== true && value !== false && !isString(value))
+ throw new Error("Invalid squash policy: " + value + ". Valid policies: false, true, arbitrary-string");
+ defaultSquashPolicy = value;
+ return value;
+ };
+
+ /**
+ * @ngdoc function
+ * @name ui.router.util.$urlMatcherFactory#compile
+ * @methodOf ui.router.util.$urlMatcherFactory
+ *
+ * @description
+ * Creates a {@link ui.router.util.type:UrlMatcher `UrlMatcher`} for the specified pattern.
+ *
+ * @param {string} pattern The URL pattern.
+ * @param {Object} config The config object hash.
+ * @returns {UrlMatcher} The UrlMatcher.
+ */
+ this.compile = function (pattern, config) {
+ return new UrlMatcher(pattern, extend(getDefaultConfig(), config));
+ };
+
+ /**
+ * @ngdoc function
+ * @name ui.router.util.$urlMatcherFactory#isMatcher
+ * @methodOf ui.router.util.$urlMatcherFactory
+ *
+ * @description
+ * Returns true if the specified object is a `UrlMatcher`, or false otherwise.
+ *
+ * @param {Object} object The object to perform the type check against.
+ * @returns {Boolean} Returns `true` if the object matches the `UrlMatcher` interface, by
+ * implementing all the same methods.
+ */
+ this.isMatcher = function (o) {
+ if (!isObject(o)) return false;
+ var result = true;
+
+ forEach(UrlMatcher.prototype, function(val, name) {
+ if (isFunction(val)) {
+ result = result && (isDefined(o[name]) && isFunction(o[name]));
+ }
+ });
+ return result;
+ };
+
+ /**
+ * @ngdoc function
+ * @name ui.router.util.$urlMatcherFactory#type
+ * @methodOf ui.router.util.$urlMatcherFactory
+ *
+ * @description
+ * Registers a custom {@link ui.router.util.type:Type `Type`} object that can be used to
+ * generate URLs with typed parameters.
+ *
+ * @param {string} name The type name.
+ * @param {Object|Function} definition The type definition. See
+ * {@link ui.router.util.type:Type `Type`} for information on the values accepted.
+ * @param {Object|Function} definitionFn (optional) A function that is injected before the app
+ * runtime starts. The result of this function is merged into the existing `definition`.
+ * See {@link ui.router.util.type:Type `Type`} for information on the values accepted.
+ *
+ * @returns {Object} Returns `$urlMatcherFactoryProvider`.
+ *
+ * @example
+ * This is a simple example of a custom type that encodes and decodes items from an
+ * array, using the array index as the URL-encoded value:
+ *
+ *
+ * var list = ['John', 'Paul', 'George', 'Ringo'];
+ *
+ * $urlMatcherFactoryProvider.type('listItem', {
+ * encode: function(item) {
+ * // Represent the list item in the URL using its corresponding index
+ * return list.indexOf(item);
+ * },
+ * decode: function(item) {
+ * // Look up the list item by index
+ * return list[parseInt(item, 10)];
+ * },
+ * is: function(item) {
+ * // Ensure the item is valid by checking to see that it appears
+ * // in the list
+ * return list.indexOf(item) > -1;
+ * }
+ * });
+ *
+ * $stateProvider.state('list', {
+ * url: "/list/{item:listItem}",
+ * controller: function($scope, $stateParams) {
+ * console.log($stateParams.item);
+ * }
+ * });
+ *
+ * // ...
+ *
+ * // Changes URL to '/list/3', logs "Ringo" to the console
+ * $state.go('list', { item: "Ringo" });
+ *
+ *
+ * This is a more complex example of a type that relies on dependency injection to
+ * interact with services, and uses the parameter name from the URL to infer how to
+ * handle encoding and decoding parameter values:
+ *
+ *
+ * // Defines a custom type that gets a value from a service,
+ * // where each service gets different types of values from
+ * // a backend API:
+ * $urlMatcherFactoryProvider.type('dbObject', {}, function(Users, Posts) {
+ *
+ * // Matches up services to URL parameter names
+ * var services = {
+ * user: Users,
+ * post: Posts
+ * };
+ *
+ * return {
+ * encode: function(object) {
+ * // Represent the object in the URL using its unique ID
+ * return object.id;
+ * },
+ * decode: function(value, key) {
+ * // Look up the object by ID, using the parameter
+ * // name (key) to call the correct service
+ * return services[key].findById(value);
+ * },
+ * is: function(object, key) {
+ * // Check that object is a valid dbObject
+ * return angular.isObject(object) && object.id && services[key];
+ * }
+ * equals: function(a, b) {
+ * // Check the equality of decoded objects by comparing
+ * // their unique IDs
+ * return a.id === b.id;
+ * }
+ * };
+ * });
+ *
+ * // In a config() block, you can then attach URLs with
+ * // type-annotated parameters:
+ * $stateProvider.state('users', {
+ * url: "/users",
+ * // ...
+ * }).state('users.item', {
+ * url: "/{user:dbObject}",
+ * controller: function($scope, $stateParams) {
+ * // $stateParams.user will now be an object returned from
+ * // the Users service
+ * },
+ * // ...
+ * });
+ *
+ */
+ this.type = function (name, definition, definitionFn) {
+ if (!isDefined(definition)) return $types[name];
+ if ($types.hasOwnProperty(name)) throw new Error("A type named '" + name + "' has already been defined.");
+
+ $types[name] = new Type(extend({ name: name }, definition));
+ if (definitionFn) {
+ typeQueue.push({ name: name, def: definitionFn });
+ if (!enqueue) flushTypeQueue();
+ }
+ return this;
+ };
+
+ // `flushTypeQueue()` waits until `$urlMatcherFactory` is injected before invoking the queued `definitionFn`s
+ function flushTypeQueue() {
+ while(typeQueue.length) {
+ var type = typeQueue.shift();
+ if (type.pattern) throw new Error("You cannot override a type's .pattern at runtime.");
+ angular.extend($types[type.name], injector.invoke(type.def));
+ }
+ }
+
+ // Register default types. Store them in the prototype of $types.
+ forEach(defaultTypes, function(type, name) { $types[name] = new Type(extend({name: name}, type)); });
+ $types = inherit($types, {});
+
+ /* No need to document $get, since it returns this */
+ this.$get = ['$injector', function ($injector) {
+ injector = $injector;
+ enqueue = false;
+ flushTypeQueue();
+
+ forEach(defaultTypes, function(type, name) {
+ if (!$types[name]) $types[name] = new Type(type);
+ });
+ return this;
+ }];
+
+ this.Param = function Param(id, type, config, location) {
+ var self = this;
+ config = unwrapShorthand(config);
+ type = getType(config, type, location);
+ var arrayMode = getArrayMode();
+ type = arrayMode ? type.$asArray(arrayMode, location === "search") : type;
+ if (type.name === "string" && !arrayMode && location === "path" && config.value === undefined)
+ config.value = ""; // for 0.2.x; in 0.3.0+ do not automatically default to ""
+ var isOptional = config.value !== undefined;
+ var squash = getSquashPolicy(config, isOptional);
+ var replace = getReplace(config, arrayMode, isOptional, squash);
+
+ function unwrapShorthand(config) {
+ var keys = isObject(config) ? objectKeys(config) : [];
+ var isShorthand = indexOf(keys, "value") === -1 && indexOf(keys, "type") === -1 &&
+ indexOf(keys, "squash") === -1 && indexOf(keys, "array") === -1;
+ if (isShorthand) config = { value: config };
+ config.$$fn = isInjectable(config.value) ? config.value : function () { return config.value; };
+ return config;
+ }
+
+ function getType(config, urlType, location) {
+ if (config.type && urlType) throw new Error("Param '"+id+"' has two type configurations.");
+ if (urlType) return urlType;
+ if (!config.type) return (location === "config" ? $types.any : $types.string);
+
+ if (angular.isString(config.type))
+ return $types[config.type];
+ if (config.type instanceof Type)
+ return config.type;
+ return new Type(config.type);
+ }
+
+ // array config: param name (param[]) overrides default settings. explicit config overrides param name.
+ function getArrayMode() {
+ var arrayDefaults = { array: (location === "search" ? "auto" : false) };
+ var arrayParamNomenclature = id.match(/\[\]$/) ? { array: true } : {};
+ return extend(arrayDefaults, arrayParamNomenclature, config).array;
+ }
+
+ /**
+ * returns false, true, or the squash value to indicate the "default parameter url squash policy".
+ */
+ function getSquashPolicy(config, isOptional) {
+ var squash = config.squash;
+ if (!isOptional || squash === false) return false;
+ if (!isDefined(squash) || squash == null) return defaultSquashPolicy;
+ if (squash === true || isString(squash)) return squash;
+ throw new Error("Invalid squash policy: '" + squash + "'. Valid policies: false, true, or arbitrary string");
+ }
+
+ function getReplace(config, arrayMode, isOptional, squash) {
+ var replace, configuredKeys, defaultPolicy = [
+ { from: "", to: (isOptional || arrayMode ? undefined : "") },
+ { from: null, to: (isOptional || arrayMode ? undefined : "") }
+ ];
+ replace = isArray(config.replace) ? config.replace : [];
+ if (isString(squash))
+ replace.push({ from: squash, to: undefined });
+ configuredKeys = map(replace, function(item) { return item.from; } );
+ return filter(defaultPolicy, function(item) { return indexOf(configuredKeys, item.from) === -1; }).concat(replace);
+ }
+
+ /**
+ * [Internal] Get the default value of a parameter, which may be an injectable function.
+ */
+ function $$getDefaultValue() {
+ if (!injector) throw new Error("Injectable functions cannot be called at configuration time");
+ var defaultValue = injector.invoke(config.$$fn);
+ if (defaultValue !== null && defaultValue !== undefined && !self.type.is(defaultValue))
+ throw new Error("Default value (" + defaultValue + ") for parameter '" + self.id + "' is not an instance of Type (" + self.type.name + ")");
+ return defaultValue;
+ }
+
+ /**
+ * [Internal] Gets the decoded representation of a value if the value is defined, otherwise, returns the
+ * default value, which may be the result of an injectable function.
+ */
+ function $value(value) {
+ function hasReplaceVal(val) { return function(obj) { return obj.from === val; }; }
+ function $replace(value) {
+ var replacement = map(filter(self.replace, hasReplaceVal(value)), function(obj) { return obj.to; });
+ return replacement.length ? replacement[0] : value;
+ }
+ value = $replace(value);
+ return !isDefined(value) ? $$getDefaultValue() : self.type.$normalize(value);
+ }
+
+ function toString() { return "{Param:" + id + " " + type + " squash: '" + squash + "' optional: " + isOptional + "}"; }
+
+ extend(this, {
+ id: id,
+ type: type,
+ location: location,
+ array: arrayMode,
+ squash: squash,
+ replace: replace,
+ isOptional: isOptional,
+ value: $value,
+ dynamic: undefined,
+ config: config,
+ toString: toString
+ });
+ };
+
+ function ParamSet(params) {
+ extend(this, params || {});
+ }
+
+ ParamSet.prototype = {
+ $$new: function() {
+ return inherit(this, extend(new ParamSet(), { $$parent: this}));
+ },
+ $$keys: function () {
+ var keys = [], chain = [], parent = this,
+ ignore = objectKeys(ParamSet.prototype);
+ while (parent) { chain.push(parent); parent = parent.$$parent; }
+ chain.reverse();
+ forEach(chain, function(paramset) {
+ forEach(objectKeys(paramset), function(key) {
+ if (indexOf(keys, key) === -1 && indexOf(ignore, key) === -1) keys.push(key);
+ });
+ });
+ return keys;
+ },
+ $$values: function(paramValues) {
+ var values = {}, self = this;
+ forEach(self.$$keys(), function(key) {
+ values[key] = self[key].value(paramValues && paramValues[key]);
+ });
+ return values;
+ },
+ $$equals: function(paramValues1, paramValues2) {
+ var equal = true, self = this;
+ forEach(self.$$keys(), function(key) {
+ var left = paramValues1 && paramValues1[key], right = paramValues2 && paramValues2[key];
+ if (!self[key].type.equals(left, right)) equal = false;
+ });
+ return equal;
+ },
+ $$validates: function $$validate(paramValues) {
+ var keys = this.$$keys(), i, param, rawVal, normalized, encoded;
+ for (i = 0; i < keys.length; i++) {
+ param = this[keys[i]];
+ rawVal = paramValues[keys[i]];
+ if ((rawVal === undefined || rawVal === null) && param.isOptional)
+ break; // There was no parameter value, but the param is optional
+ normalized = param.type.$normalize(rawVal);
+ if (!param.type.is(normalized))
+ return false; // The value was not of the correct Type, and could not be decoded to the correct Type
+ encoded = param.type.encode(normalized);
+ if (angular.isString(encoded) && !param.type.pattern.exec(encoded))
+ return false; // The value was of the correct type, but when encoded, did not match the Type's regexp
+ }
+ return true;
+ },
+ $$parent: undefined
+ };
+
+ this.ParamSet = ParamSet;
+}
+
+// Register as a provider so it's available to other providers
+angular.module('ui.router.util').provider('$urlMatcherFactory', $UrlMatcherFactory);
+angular.module('ui.router.util').run(['$urlMatcherFactory', function($urlMatcherFactory) { }]);