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module.exports = function(GedcomX){ |
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var utils = require('../utils'); |
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/** |
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* Metadata about the structure and layout of a field, as well as the expected |
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* data to be extracted from a field. |
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* |
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* @see {@link https://github.com/FamilySearch/gedcomx-record/blob/master/specifications/record-specification.md#field-descriptor|GEDCOM X Records Spec} |
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* |
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* @class FieldDescriptor |
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* @extends ExtensibleData |
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* @param {Object} [json] |
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*/ |
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var FieldDescriptor = function(json){ |
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// Protect against forgetting the new keyword when calling the constructor |
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if(!(this instanceof FieldDescriptor)){ |
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return new FieldDescriptor(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(FieldDescriptor.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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FieldDescriptor.prototype = Object.create(GedcomX.ExtensibleData.prototype); |
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FieldDescriptor._gedxClass = FieldDescriptor.prototype._gedxClass = 'GedcomX.FieldDescriptor'; |
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FieldDescriptor.jsonProps = [ |
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'originalLabel', |
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'descriptions', |
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'values' |
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]; |
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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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FieldDescriptor.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 {FieldDescriptor} this |
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*/ |
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FieldDescriptor.prototype.init = function(json){ |
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GedcomX.ExtensibleData.prototype.init.call(this, json); |
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if(json){ |
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this.setOriginalLabel(json.originalLabel); |
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this.setDescriptions(json.descriptions); |
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this.setValues(json.values); |
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} |
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return this; |
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}; |
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/** |
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* Set the original label |
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* |
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* @param {String} originalLabel |
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* @return {FieldDescriptor} this |
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*/ |
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FieldDescriptor.prototype.setOriginalLabel = function(originalLabel){ |
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this.originalLabel = originalLabel; |
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return this; |
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}; |
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/** |
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* Get the original label |
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* |
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* @return {String} |
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*/ |
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FieldDescriptor.prototype.getOriginalLabel = function(){ |
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return this.originalLabel; |
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}; |
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/** |
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* Set the descriptions |
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* |
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* @param {TextValue[]} descriptions |
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* @return {FieldDescriptor} this |
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*/ |
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FieldDescriptor.prototype.setDescriptions = function(descriptions){ |
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return this._setArray(descriptions, 'descriptions', 'addDescription'); |
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}; |
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/** |
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* Add a description |
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* |
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* @param {TextValue} description |
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* @return {FieldDescriptor} this |
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*/ |
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FieldDescriptor.prototype.addDescription = function(description){ |
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return this._arrayPush(description, 'descriptions', GedcomX.TextValue); |
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}; |
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/** |
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* Get the descriptions |
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* |
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* @return {TextValue[]} descriptions |
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*/ |
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FieldDescriptor.prototype.getDescriptions = function(){ |
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return this.descriptions || []; |
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}; |
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/** |
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* Set the values |
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* |
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* @param {FieldValueDescriptor[]} values |
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* @return {FieldDescriptor} this |
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*/ |
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FieldDescriptor.prototype.setValues = function(values){ |
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return this._setArray(values, 'values', 'addValue'); |
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}; |
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/** |
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* Add a value |
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* |
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* @param {FieldValueDescriptor} value |
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* @return {FieldDescriptor} this |
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*/ |
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FieldDescriptor.prototype.addValue = function(value){ |
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return this._arrayPush(value, 'values', GedcomX.FieldValueDescriptor); |
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}; |
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/** |
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* Get the values |
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* |
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* @return {FieldValueDescriptor[]} values |
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*/ |
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FieldDescriptor.prototype.getValues = function(){ |
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return this.values || []; |
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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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FieldDescriptor.prototype.toJSON = function(){ |
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return this._toJSON(GedcomX.ExtensibleData, FieldDescriptor.jsonProps); |
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}; |
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GedcomX.FieldDescriptor = FieldDescriptor; |
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}; |