85 lines
2.3 KiB
JavaScript
85 lines
2.3 KiB
JavaScript
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var util = require('../util');
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function QueryParamSerializer() {
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}
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QueryParamSerializer.prototype.serialize = function(params, shape, fn) {
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serializeStructure('', params, shape, fn);
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};
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function ucfirst(shape) {
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if (shape.isQueryName || shape.api.protocol !== 'ec2') {
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return shape.name;
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} else {
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return shape.name[0].toUpperCase() + shape.name.substr(1);
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}
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}
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function serializeStructure(prefix, struct, rules, fn) {
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util.each(rules.members, function(name, member) {
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var value = struct[name];
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if (value === null || value === undefined) return;
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var memberName = ucfirst(member);
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memberName = prefix ? prefix + '.' + memberName : memberName;
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serializeMember(memberName, value, member, fn);
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});
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}
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function serializeMap(name, map, rules, fn) {
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var i = 1;
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util.each(map, function (key, value) {
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var prefix = rules.flattened ? '.' : '.entry.';
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var position = prefix + (i++) + '.';
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var keyName = position + (rules.key.name || 'key');
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var valueName = position + (rules.value.name || 'value');
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serializeMember(name + keyName, key, rules.key, fn);
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serializeMember(name + valueName, value, rules.value, fn);
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});
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}
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function serializeList(name, list, rules, fn) {
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var memberRules = rules.member || {};
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if (list.length === 0) {
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fn.call(this, name, null);
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return;
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}
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util.arrayEach(list, function (v, n) {
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var suffix = '.' + (n + 1);
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if (rules.api.protocol === 'ec2') {
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// Do nothing for EC2
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suffix = suffix + ''; // make linter happy
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} else if (rules.flattened) {
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if (memberRules.name) {
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var parts = name.split('.');
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parts.pop();
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parts.push(ucfirst(memberRules));
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name = parts.join('.');
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}
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} else {
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suffix = '.' + (memberRules.name ? memberRules.name : 'member') + suffix;
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}
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serializeMember(name + suffix, v, memberRules, fn);
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});
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}
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function serializeMember(name, value, rules, fn) {
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if (value === null || value === undefined) return;
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if (rules.type === 'structure') {
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serializeStructure(name, value, rules, fn);
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} else if (rules.type === 'list') {
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serializeList(name, value, rules, fn);
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} else if (rules.type === 'map') {
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serializeMap(name, value, rules, fn);
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} else {
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fn(name, rules.toWireFormat(value).toString());
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}
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}
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/**
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* @api private
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*/
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module.exports = QueryParamSerializer;
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