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const { getListType, getZIDForJSType, getZObjectType, soupUpZ1K1 } = require( './utils.js' );
const { ZObject, ZPair, ZReference } = require( './ztypes.js' );
const { convertItemArrayToZList } = require( './function-schemata/javascript/src/utils.js' );
const { inspect } = require( 'util' );
const DESERIALIZERS_ = new Map();
function deserializeZList( ZObject ) {
const result = [];
let tail = ZObject;
while ( true ) {
const head = tail.K1;
if ( head === undefined ) {
break;
}
result.push( deserialize( head ) );
tail = tail.K2;
}
return result;
}
function deserializeZMap( ZObject ) {
const result = new Map();
for ( const pair of deserialize( ZObject.K1 ) ) {
result.set( pair.K1, pair.K2 );
}
return result;
}
// TODO (T290898): This can serve as a model for default deserialization--all
// local keys can be deserialized and set as members.
function deserializeZPair( ZObject ) {
return new ZPair( deserialize( ZObject.K1 ), deserialize( ZObject.K2 ), ZObject.Z1K1 );
}
function deserializeZType( theObject ) {
let Z1K1;
const kwargs = new Map();
for ( const key of Object.keys( theObject ) ) {
const value = theObject[ key ];
if ( key === 'Z1K1' ) {
Z1K1 = value;
} else {
kwargs.set( key, deserialize( value ) );
}
}
return new ZObject( kwargs, Z1K1 );
}
function deserializeZ9( theObject ) {
return new ZReference( theObject.Z9K1 );
}
DESERIALIZERS_.set( 'Z6', ( Z6 ) => Z6.Z6K1 );
DESERIALIZERS_.set( 'Z9', deserializeZ9 );
// eslint-disable-next-line no-unused-vars
DESERIALIZERS_.set( 'Z21', ( Z21 ) => null );
DESERIALIZERS_.set( 'Z40', ( Z40 ) => Z40.Z40K1.Z9K1 === 'Z41' );
DESERIALIZERS_.set( 'Z881', deserializeZList );
DESERIALIZERS_.set( 'Z882', deserializeZPair );
DESERIALIZERS_.set( 'Z883', deserializeZMap );
const DEFAULT_DESERIALIZER_ = deserializeZType;
/**
* Convert a ZObject into the corresponding JS type.
* Z6 -> String
* Z9 -> ZReference
* Z21 -> Null
* Z40 -> Boolean
* Typed List ( Z881-generated type ) -> Array
* Typed Pair ( Z882-generated type ) -> ZPair
* Typed Map ( Z883-generated type ) -> Map
* anything else -> ZObject
*
* @param {Object} ZObject
* @return {Object}
*/
function deserialize( ZObject ) {
const ZID = getZObjectType( ZObject );
let deserializer = DESERIALIZERS_.get( ZID );
Iif ( deserializer === undefined ) {
deserializer = DEFAULT_DESERIALIZER_;
}
return deserializer( ZObject );
}
function serializeZ21() {
return { Z1K1: { Z1K1: 'Z9', Z9K1: 'Z21' } };
}
function serializeZ40( theBoolean ) {
let ZID;
if ( theBoolean ) {
ZID = 'Z41';
} else {
ZID = 'Z42';
}
return {
Z1K1: { Z1K1: 'Z9', Z9K1: 'Z40' },
Z40K1: { Z1K1: 'Z9', Z9K1: ZID }
};
}
function serializeZList( theArray ) {
const elements = [];
for ( const element of theArray ) {
elements.push( serialize( element ) );
}
return convertItemArrayToZList( elements );
}
// TODO (T290898): This can serve as a model for default deserialization--all
// local keys can be serialized and set as members.
function serializeZType( theObject ) {
const Z1K1 = theObject.Z1K1;
Iif ( Z1K1 === undefined || Z1K1 === null ) {
throw new Error( 'Could not serialize input JS object: ' + inspect( theObject ) );
}
const result = { Z1K1: Z1K1 };
for ( const key of Object.keys( theObject ) ) {
if ( key === 'Z1K1' ) {
continue;
}
result[ key ] = serialize( theObject[ key ] );
}
return result;
}
function serializeZMap( theMap ) {
const serializedKeys = [];
for ( const key of theMap.keys() ) {
serializedKeys.push( serialize( key ) );
}
const serializedValues = [];
for ( const value of theMap.values() ) {
serializedValues.push( serialize( value ) );
}
const keyType = getListType( serializedKeys );
const valueType = getListType( serializedValues );
const pairList = [];
for ( const entry of theMap.entries() ) {
pairList.push( new ZPair( ...entry ) );
}
return {
Z1K1: {
Z1K1: soupUpZ1K1( 'Z7' ),
Z7K1: soupUpZ1K1( 'Z883' ),
Z883K1: keyType,
Z883K2: valueType
},
K1: serialize( pairList )
};
}
const SERIALIZERS_ = new Map();
SERIALIZERS_.set( 'Z6', ( theString ) => {
return { Z1K1: 'Z6', Z6K1: theString };
} );
SERIALIZERS_.set( 'Z9', ( theReference ) => {
return { Z1K1: 'Z9', Z9K1: theReference.Z9K1 };
} );
SERIALIZERS_.set( 'Z21', serializeZ21 );
SERIALIZERS_.set( 'Z40', serializeZ40 );
SERIALIZERS_.set( 'Z881', serializeZList );
SERIALIZERS_.set( 'Z882', serializeZType );
SERIALIZERS_.set( 'Z883', serializeZMap );
const DEFAULT_SERIALIZER_ = serializeZType;
/**
* Convert a JS object into the corresponding ZObject type.
* String -> Z6
* null -> Z21
* Boolean -> Z40
* Array -> Typed List ( Z881-generated type )
* ZPair -> Typed Pair ( Z882-generated type )
* Map -> Typed Map ( Z883-generated type )
* ZObject -> arbitrary ZObject
*
* @param {Object} theObject
* @param {Object} expectedType
* @return {Object} the serialized ZObject
*/
function serialize( theObject ) {
const ZID = getZIDForJSType( theObject );
let serializer = SERIALIZERS_.get( ZID );
Iif ( serializer === undefined ) {
serializer = DEFAULT_SERIALIZER_;
}
return serializer( theObject );
}
module.exports = { deserialize, serialize };
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