88 lines
2.3 KiB
JavaScript
88 lines
2.3 KiB
JavaScript
var util = require('../core').util;
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var convert = require('./converter');
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var Translator = function(options) {
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options = options || {};
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this.attrValue = options.attrValue;
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this.convertEmptyValues = Boolean(options.convertEmptyValues);
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this.wrapNumbers = Boolean(options.wrapNumbers);
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};
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Translator.prototype.translateInput = function(value, shape) {
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this.mode = 'input';
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return this.translate(value, shape);
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};
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Translator.prototype.translateOutput = function(value, shape) {
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this.mode = 'output';
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return this.translate(value, shape);
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};
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Translator.prototype.translate = function(value, shape) {
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var self = this;
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if (!shape || value === undefined) return undefined;
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if (shape.shape === self.attrValue) {
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return convert[self.mode](value, {
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convertEmptyValues: self.convertEmptyValues,
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wrapNumbers: self.wrapNumbers,
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});
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}
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switch (shape.type) {
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case 'structure': return self.translateStructure(value, shape);
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case 'map': return self.translateMap(value, shape);
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case 'list': return self.translateList(value, shape);
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default: return self.translateScalar(value, shape);
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}
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};
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Translator.prototype.translateStructure = function(structure, shape) {
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var self = this;
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if (structure == null) return undefined;
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var struct = {};
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util.each(structure, function(name, value) {
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var memberShape = shape.members[name];
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if (memberShape) {
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var result = self.translate(value, memberShape);
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if (result !== undefined) struct[name] = result;
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}
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});
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return struct;
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};
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Translator.prototype.translateList = function(list, shape) {
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var self = this;
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if (list == null) return undefined;
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var out = [];
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util.arrayEach(list, function(value) {
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var result = self.translate(value, shape.member);
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if (result === undefined) out.push(null);
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else out.push(result);
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});
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return out;
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};
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Translator.prototype.translateMap = function(map, shape) {
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var self = this;
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if (map == null) return undefined;
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var out = {};
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util.each(map, function(key, value) {
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var result = self.translate(value, shape.value);
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if (result === undefined) out[key] = null;
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else out[key] = result;
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});
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return out;
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};
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Translator.prototype.translateScalar = function(value, shape) {
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return shape.toType(value);
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};
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/**
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* @api private
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*/
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module.exports = Translator;
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