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var utils = require('../utils'), |
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Base = require('../Base'); |
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/** |
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* Manage the set of identifers for an object. |
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* |
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* @see {@link https://github.com/FamilySearch/gedcomx/blob/master/specifications/json-format-specification.md#identifier-type|GEDCOM X JSON Spec} |
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* |
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* @class |
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* @extends Base |
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* @param {Object} [json] |
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*/ |
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var Identifiers = function(json){ |
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// Protect against forgetting the new keyword when calling the constructor |
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if(!(this instanceof Identifiers)){ |
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return new Identifiers(json); |
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} |
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// If the given object is already an instance then just return it. DON'T copy it. |
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if(Identifiers.isInstance(json)){ |
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return json; |
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} |
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this.init(json); |
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}; |
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Base.prototype = Object.create(Base.prototype); |
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Identifiers._gedxClass = Identifiers.prototype._gedxClass = 'GedcomX.Identifiers'; |
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/** |
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* Check whether the given object is an instance of this class. |
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* |
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* @param {Object} obj |
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* @returns {Boolean} |
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*/ |
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Identifiers.isInstance = function(obj){ |
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return utils.isInstance(obj, this._gedxClass); |
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}; |
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/** |
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* Initialize from JSON |
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* |
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* @param {Object} |
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* @return {Identifiers} this |
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*/ |
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Identifiers.prototype.init = function(json){ |
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Base.prototype.init.call(this, json); |
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this.identifiers = {}; |
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if(json){ |
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this.identifiers = json; |
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// The spec allows for types with single values to "forgo the array and use |
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// a single string" but that's a pain to keep track of so we're going to |
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// convert all single strings into arrays |
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for(var a in this.identifiers){ |
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if(this.identifiers.hasOwnProperty(a) && !Array.isArray(this.identifiers[a])){ |
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this.identifiers[a] = [ this.identifiers[a] ]; |
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} |
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} |
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} |
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return this; |
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}; |
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/** |
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* Get the values for a given type |
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* |
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* @param {String=} type If not specified then values with no associated type |
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* are returned. |
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* @return {String[]} |
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*/ |
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Identifiers.prototype.getValues = function(type){ |
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if(typeof type === 'undefined'){ |
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type = '$'; |
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} |
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return this.identifiers[type] || []; |
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}; |
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/** |
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* Set the values for a given type |
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* |
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* @param {String[]} values |
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* @param {String=} type |
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*/ |
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Identifiers.prototype.setValues = function(values, type){ |
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if(typeof type === 'undefined'){ |
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type = '$'; |
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} |
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if(Array.isArray(values)){ |
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this.identifiers[type] = values; |
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} |
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return this; |
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}; |
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/** |
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* Add a value for a given type |
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* |
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* @param {String} value |
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* @param {String=} type |
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*/ |
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Identifiers.prototype.addValue = function(value, type){ |
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if(typeof type === 'undefined'){ |
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type = '$'; |
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} |
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if(!Array.isArray(this.identifiers[type])){ |
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this.identifiers[type] = []; |
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} |
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this.identifiers[type].push(value); |
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return this; |
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}; |
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/** |
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* Export the object as JSON |
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* |
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* @return {Object} JSON object |
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*/ |
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Identifiers.prototype.toJSON = function(){ |
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return this.identifiers; |
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}; |
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module.exports = Identifiers; |
rootsdev /
gedcomx-js
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