622 lines
16 KiB
JavaScript
622 lines
16 KiB
JavaScript
//
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//#region Imports ...
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const XFileTools = require('../tools/x-file.tools');
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const XValueTools = require('../tools/x-value.tools');
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const XBaseDescriptor = require('./x-base.descriptor');
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const XDecoratorDescriptor = require('./x-decorator.descriptor');
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//#endregion
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/**
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* check an object instance is ClassDescriptor or not ...
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*
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* @param {any} object proposed object to check ...
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* @returns
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*/
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function isDescriptor(object) {
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//
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if (!object) {
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return false;
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}
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//
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let result = false;
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result =
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object.hasOwnProperty('raw') &&
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Array.isArray(object.extends) &&
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object.hasOwnProperty('name') &&
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Array.isArray(object.implements) &&
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object.hasOwnProperty('extends') &&
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object.hasOwnProperty('isPublic') &&
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object.hasOwnProperty('decorator') &&
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object.hasOwnProperty('implements') &&
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object.hasOwnProperty('isExported') &&
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object.hasOwnProperty('isExtended') &&
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object.hasOwnProperty('isAbstract') &&
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object.hasOwnProperty('hasDecorator') &&
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object.hasOwnProperty('isImplemented');
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//
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return result;
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}
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/**
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* retrieve base or filled ClassDescriptor object instance ...
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*
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* @param {any} value a value provider object ...
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* @returns an instance of ClassDescriptor object ...
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*/
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function createDescriptor(value) {
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//
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const result = {
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raw: '',
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name: '',
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extends: [],
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implements: [],
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isPublic: true,
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isExported: false,
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isExtended: false,
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isAbstract: false,
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hasDecorator: false,
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isImplemented: false,
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decorator: {
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...XDecoratorDescriptor.createDescriptor()
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},
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};
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//
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//#region Apply Props ...
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if (value) {
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//
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//#region name ...
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if (XValueTools.isValidArg(value.name)) {
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result.name = value.name;
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}
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//#endregion
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//
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//#region extends ...
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if (XValueTools.hasChildArray(value.extends)) {
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result.extends = [...value.extends];
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}
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//#endregion
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//
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//#region implements ...
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if (XValueTools.hasChildArray(value.implements)) {
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result.implements = [...value.implements];
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}
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//#endregion
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//
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//#region raw ...
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if (XValueTools.isValidArg(value.raw)) {
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result.raw = value.raw;
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}
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//#endregion
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//
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//#region isPublic ...
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if (!!value.isPublic) {
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result.isPublic = true;
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} else if (value.isPublic === false) {
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result.isPublic = false;
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}
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//#endregion
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//
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//#region isExported ...
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if (!!value.isExported) {
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result.isExported = true;
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}
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//#endregion
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//
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//#region isExtended ...
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if (!!value.isExtended) {
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result.isExtended = true;
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}
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//#endregion
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//
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//#region isAbstract ...
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if (!!value.isAbstract) {
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result.isAbstract = true;
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}
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//#endregion
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//
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//#region hasDecorator ...
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if (!!value.hasDecorator) {
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result.hasDecorator = true;
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}
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//#endregion
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//
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//#region decorator ...
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if (!!result.hasDecorator && value.decorator) {
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result.decorator = {
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...XDecoratorDescriptor.createDescriptor(value.decorator)
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};
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} else {
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result.decorator = undefined;
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}
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//#endregion
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//
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//#region isImplemented ...
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if (!!value.isImplemented) {
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result.isImplemented = true;
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}
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//#endregion
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}
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//#endregion
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//
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return result;
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}
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/**
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* converts an instance of Descriptor to Expression ...
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*
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* @param descriptor an instance of ClassDescriptor ...
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* @returns creator string ...
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*/
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function toExpression(
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descriptor = createDescriptor(),
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forceClearContent = false,
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) {
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//
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let result = '';
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//
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// Validate Arg ...
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if (!isDescriptor(descriptor)) {
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return result;
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}
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//
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let classContent = '';
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let classContentIndexers = XValueTools.findClosedContent('{', '}', descriptor.raw);
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if (XValueTools.hasChildArray(classContentIndexers)) {
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//
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classContent = XValueTools
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.clearObjectSurround(classContentIndexers[0].content);
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//
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if (!!forceClearContent) {
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classContent = XBaseDescriptor.clearContent(classContent);
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}
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}
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//
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// Handle Class Decorator ...
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if (
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!!descriptor.hasDecorator &&
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XValueTools.isValidArgs(descriptor.decorator.type) &&
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XBaseDescriptor.isValidDecoratorType(descriptor.decorator.type)
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) {
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//
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result += XDecoratorDescriptor
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.toExpression(descriptor.decorator) +
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'\n';
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}
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//
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// Handle Class ...
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result +=
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//
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// Export ...
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(
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descriptor.isExported ?
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XBaseDescriptor.ExpressionKeys.Export +
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' ' :
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''
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) +
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//
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// Public or Private ...
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(
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!descriptor.isPublic ?
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XBaseDescriptor.ExpressionKeys.Private +
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' ' :
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''
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) +
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//
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// Abstract ...
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(
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descriptor.isAbstract ?
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XBaseDescriptor.ExpressionKeys.Abstract +
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' ' :
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''
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) +
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//
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// Class Definition ...
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XBaseDescriptor.ExpressionKeys.Class +
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' ' +
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descriptor.name +
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' ' +
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//
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// Extends ...
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(
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descriptor.isExtended ?
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XBaseDescriptor.ExpressionKeys.Extends +
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' ' +
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descriptor.extends.join(', ')
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+ ' ' :
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''
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) +
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//
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// Implements ...
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(
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descriptor.isImplemented ?
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XBaseDescriptor.ExpressionKeys.Implements +
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' ' +
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descriptor.implements.join(', ') +
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' ' :
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''
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) +
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//
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// Open Class ...
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'{\n' +
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//
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// Class Content ...
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(
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XValueTools.isValidArg(classContent) ?
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classContent :
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''
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) +
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//
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// Close Class ...
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'\n}';
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//
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return result;
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}
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/**
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* extract all exists ClassDescriptors ...
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*
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* @param {string} file a file path ...
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* @returns a collection of ClassDescriptors ...
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*/
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async function extractDescriptors(file = '') {
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//
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if (!XFileTools.isFileExists(file)) {
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return [];
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}
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//
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const fileContent = await XFileTools.readFile(file);
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if (!XValueTools.isValidArg(fileContent)) {
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return [];
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}
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//
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let result = [
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createDescriptor()
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];
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result.pop();
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//
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result = extractDescriptorsFromContent(fileContent);
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//
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return result;
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}
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/**
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* extract all exists ClassDescriptors ...
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*
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* @param {string} content a file content ...
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* @returns a collection of ClassDescriptors ...
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*/
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function extractDescriptorsFromContent(content = '') {
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//
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// Prepare result ...
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let result = [
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createDescriptor()
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];
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result.pop();
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//
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// Validate Args ...
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if (
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!XValueTools.isValidArg(content) ||
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!content.includes(XBaseDescriptor.ExpressionKeys.Class)
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) {
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return result;
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}
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//
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// Extract all Key Indexes ...
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const keyIndexes = XBaseDescriptor.
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extractValidIdentifierIndexes(XBaseDescriptor.ExpressionKeys.Class, content);
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//
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// Validate Keys Exists on Content ...
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if (!XValueTools.hasChildArray(keyIndexes)) {
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return result;
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}
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//
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// Loop through indexes ...
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for (let index of keyIndexes) {
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//
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// create an empty instance of descriptor ...
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let descriptor = {
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...createDescriptor()
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}
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//
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let startIndex = index;
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let endIndex = content.indexOf('{', startIndex);
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let rawIndexContents = XValueTools.findClosedContent('{', '}', content, endIndex);
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if (!XValueTools.hasChildArray(rawIndexContents)) {
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continue;
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}
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//
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let identifier = content.substring(
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index + XBaseDescriptor.ExpressionKeys.Class.length,
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endIndex
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).trim();
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//
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//#region HasExtends, Extends, HasImplements, Implements ...
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//
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const hasExtends = identifier.includes(XBaseDescriptor.ExpressionKeys.Extends);
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const hasImplements = identifier.includes(XBaseDescriptor.ExpressionKeys.Implements);
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//
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descriptor.isExtended = hasExtends;
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descriptor.isImplemented = hasImplements;
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//
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let extendsStartIndex = -1;
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let implementsStartIndex = -1;
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//
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// Extends ...
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if (!!hasExtends) {
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//
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extendsStartIndex = identifier
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.indexOf(XBaseDescriptor.ExpressionKeys.Extends) +
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XBaseDescriptor.ExpressionKeys.Extends.length;
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//
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let extendsIdentifier = identifier
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.substring(extendsStartIndex)
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.trim();
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if (extendsIdentifier
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.includes(XBaseDescriptor.ExpressionKeys.Implements)) {
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//
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let extendsEndIndex = extendsIdentifier
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.indexOf(XBaseDescriptor.ExpressionKeys.Implements);
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extendsIdentifier = extendsIdentifier
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.substring(0, extendsEndIndex)
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.trim();
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}
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//
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// Continue if it's not Valid ...
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if (!XValueTools.isValidArg(extendsIdentifier)) {
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continue;
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}
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//
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// Check if extends is Array or not ...
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if (extendsIdentifier.includes(',')) {
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descriptor.extends.push(
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...extendsIdentifier
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.split(',')
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.map(e => e.trim())
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.filter(e => XValueTools.isValidArg(e))
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)
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} else {
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descriptor.extends.push(extendsIdentifier);
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}
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}
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//
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// Implements ...
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if (!!hasImplements) {
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//
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implementsStartIndex = identifier
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.indexOf(XBaseDescriptor.ExpressionKeys.Implements) +
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XBaseDescriptor.ExpressionKeys.Implements.length;
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//
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let implementsIdentifier = identifier
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.substring(implementsStartIndex)
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.trim();
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if (implementsIdentifier
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.includes(XBaseDescriptor.ExpressionKeys.Extends)) {
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//
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let implementsEndIndex = implementsIdentifier
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.indexOf(XBaseDescriptor.ExpressionKeys.Extends);
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implementsIdentifier = implementsIdentifier
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.substring(0, implementsEndIndex)
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.trim();
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}
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//
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// Continue if it's not Valid ...
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if (!XValueTools.isValidArg(implementsIdentifier)) {
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continue;
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}
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//
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// Check if extends is Array or not ...
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if (implementsIdentifier.includes(',')) {
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descriptor.implements.push(
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...implementsIdentifier
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.split(',')
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.map(i => i.trim())
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.filter(i => XValueTools.isValidArg(i))
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)
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} else {
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descriptor.implements.push(implementsIdentifier);
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}
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}
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//#endregion
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//
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//#region Class Name ...
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let nameEndIndex = Math.min(
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...[
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extendsStartIndex,
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implementsStartIndex,
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identifier.length
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]
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.filter(i => i >= 0)
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);
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identifier = identifier
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.substring(0, nameEndIndex)
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.replace(XBaseDescriptor.ExpressionKeys.Extends, '')
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.replace(XBaseDescriptor.ExpressionKeys.Implements, '')
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.trim();
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//
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// Continue if class name is not valid ...
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if (!XValueTools.isValidArg(identifier)) {
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continue;
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}
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//
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// Set Descriptor name ...
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descriptor.name = identifier;
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//#endregion
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//
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//#region Exported, Public, Abstract ...
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//
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const lengthForComeBack =
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XBaseDescriptor.ExpressionKeys.Export.length +
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XBaseDescriptor.ExpressionKeys.Public.length +
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XBaseDescriptor.ExpressionKeys.Private.length +
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XBaseDescriptor.ExpressionKeys.Abstract.length;
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//
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startIndex = index - lengthForComeBack;
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endIndex = index;
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identifier = content
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.substring(startIndex, endIndex)
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.trim();
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//
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// Exported ...
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descriptor.isExported = identifier.includes(XBaseDescriptor.ExpressionKeys.Export);
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//
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// Public ...
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descriptor.isPublic = identifier.includes(XBaseDescriptor.ExpressionKeys.Public) ||
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!identifier.includes(XBaseDescriptor.ExpressionKeys.Private);
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//
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// Abstract ...
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descriptor.isAbstract = identifier.includes(XBaseDescriptor.ExpressionKeys.Abstract);
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//#endregion
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//
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//#region Raw ...
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let classStartIndex = Math.max(
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...[
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content.indexOf(XBaseDescriptor.ExpressionKeys.Export, startIndex),
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content.indexOf(XBaseDescriptor.ExpressionKeys.Public, startIndex),
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content.indexOf(XBaseDescriptor.ExpressionKeys.Private, startIndex),
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content.indexOf(XBaseDescriptor.ExpressionKeys.Abstract, startIndex),
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]
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.filter(i => i >= 0 && i <= rawIndexContents[0].start)
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);
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let classEndIndex = rawIndexContents[0].end + 1;
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descriptor.raw = content.substring(classStartIndex, classEndIndex);
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//#endregion
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//
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//#region Decorator ...
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//
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const forExtractDecoratorContentEndIndex = content.indexOf(descriptor.raw);
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let forExtractDecoratorContent = content.substring(0, forExtractDecoratorContentEndIndex);
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//
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let decoratorIndexes = XValueTools
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.findAllIndexes('@(.*)\\({', forExtractDecoratorContent)
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.map(index => {
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return {
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startIndex: index,
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decoratorContentIndexer: XValueTools
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.findClosedContent('({', '})', forExtractDecoratorContent, index)[0]
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}
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});
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let decoratorIndex = decoratorIndexes
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.find(i => i.decoratorContentIndexer.end + 1 === classStartIndex - 1);
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if (
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!decoratorIndex &&
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decoratorIndexes.length === 1 &&
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XValueTools.hasChildArray(decoratorIndexes)
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) {
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//
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decoratorIndex = {
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//
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...decoratorIndexes[0],
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//
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decoratorContentIndexer: {
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//
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...decoratorIndexes[0]
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.decoratorContentIndexer,
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//
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end: classStartIndex - 1,
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//
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content: content.substring(
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decoratorIndexes[0]
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.decoratorContentIndexer
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.start,
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classStartIndex - 1
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),
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}
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};
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}
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//
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if (decoratorIndex) {
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//
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identifier = forExtractDecoratorContent
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.substring(
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decoratorIndex.startIndex,
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decoratorIndex.decoratorContentIndexer.end + 1
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);
|
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//
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const decorator = XDecoratorDescriptor.extractDescriptorFromContent(identifier);
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if (!decorator) {
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continue;
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}
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//
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descriptor.hasDecorator = true;
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descriptor.decorator = {
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...decorator
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};
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}
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//#endregion
|
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//
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result.push(descriptor);
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}
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//
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return result;
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}
|
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|
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//
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// Module Exports ...
|
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module.exports = {
|
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//
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isDescriptor,
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toExpression,
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createDescriptor,
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extractDescriptors,
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extractDescriptorsFromContent,
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} |