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/* eslint no-use-before-define: ["error", { "functions": false }] */
const { error } = require( './error.js' );
const {
convertBenjaminArrayToZList, isArray, isZObjectReference, isString,
makeMappedResultEnvelope } = require( './utils.js' );
const { SchemaFactory } = require( './schema' );
const mixedFactory = SchemaFactory.MIXED();
// Canonical form syntax is a superset of normal form syntax, so this validator
// captures mixed forms.
const mixedZ1Validator = mixedFactory.create( 'Z1' );
const mixedZ99Validator = mixedFactory.create( 'Z99' );
function isQuote( ZObject ) {
return mixedZ99Validator.validate( ZObject );
}
// the input is assumed to be a well-formed ZObject, or else the behaviour is undefined
function normalize( o ) {
if ( isQuote( o ) ) {
return {
Z1K1: normalize( o.Z1K1 ),
Z99K1: o.Z99K1
};
}
if ( isString( o ) ) {
if ( isZObjectReference( o ) ) {
return { Z1K1: 'Z9', Z9K1: o };
} else {
return { Z1K1: 'Z6', Z6K1: o };
}
}
if ( isArray( o ) ) {
return convertBenjaminArrayToZList( o.map( normalize ), false );
}
Iif ( o.Z1K1 === 'Z5' &&
( o.Z5K1.Z1K1 === error.syntax_error || o.Z5K1.Z1K1 === error.not_wellformed ) ) {
return o;
}
const keys = Object.keys( o );
const result = {};
for ( let i = 0; i < keys.length; i++ ) {
if ( keys[ i ] === 'Z1K1' && ( o.Z1K1 === 'Z6' || o.Z1K1 === 'Z9' ) ) {
result.Z1K1 = o.Z1K1;
continue;
}
if ( keys[ i ] === 'Z6K1' && isString( o.Z6K1 ) ) {
result.Z6K1 = o.Z6K1;
continue;
}
if ( keys[ i ] === 'Z9K1' && isString( o.Z9K1 ) ) {
result.Z9K1 = o.Z9K1;
continue;
}
result[ keys[ i ] ] = normalize( o[ keys[ i ] ] );
}
return result;
}
/**
* Normalizes a canonical ZObject. Returns a Z22/'Evaluation result' containing the normalized
* ZObject or a Z5/Error (in the metadata map of the Z22).
*
* @param {Object} o a ZObject
* @return {Object} a Z22 / Evaluation result
*/
function normalizeExport( o ) {
const status = mixedZ1Validator.validateStatus( o );
if ( status.isValid() ) {
return makeMappedResultEnvelope( normalize( o ), null );
} else {
return makeMappedResultEnvelope( null, status.getZ5() );
}
}
module.exports = normalizeExport;
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