73 lines
2.9 KiB
JavaScript
73 lines
2.9 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.BSONRegExp = void 0;
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var error_1 = require("./error");
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function alphabetize(str) {
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return str.split('').sort().join('');
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}
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/**
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* A class representation of the BSON RegExp type.
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* @public
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*/
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var BSONRegExp = /** @class */ (function () {
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/**
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* @param pattern - The regular expression pattern to match
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* @param options - The regular expression options
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*/
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function BSONRegExp(pattern, options) {
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if (!(this instanceof BSONRegExp))
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return new BSONRegExp(pattern, options);
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this.pattern = pattern;
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this.options = alphabetize(options !== null && options !== void 0 ? options : '');
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if (this.pattern.indexOf('\x00') !== -1) {
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throw new error_1.BSONError("BSON Regex patterns cannot contain null bytes, found: " + JSON.stringify(this.pattern));
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}
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if (this.options.indexOf('\x00') !== -1) {
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throw new error_1.BSONError("BSON Regex options cannot contain null bytes, found: " + JSON.stringify(this.options));
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}
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// Validate options
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for (var i = 0; i < this.options.length; i++) {
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if (!(this.options[i] === 'i' ||
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this.options[i] === 'm' ||
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this.options[i] === 'x' ||
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this.options[i] === 'l' ||
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this.options[i] === 's' ||
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this.options[i] === 'u')) {
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throw new error_1.BSONError("The regular expression option [" + this.options[i] + "] is not supported");
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}
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}
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}
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BSONRegExp.parseOptions = function (options) {
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return options ? options.split('').sort().join('') : '';
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};
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/** @internal */
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BSONRegExp.prototype.toExtendedJSON = function (options) {
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options = options || {};
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if (options.legacy) {
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return { $regex: this.pattern, $options: this.options };
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}
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return { $regularExpression: { pattern: this.pattern, options: this.options } };
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};
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/** @internal */
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BSONRegExp.fromExtendedJSON = function (doc) {
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if ('$regex' in doc) {
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if (typeof doc.$regex !== 'string') {
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// This is for $regex query operators that have extended json values.
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if (doc.$regex._bsontype === 'BSONRegExp') {
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return doc;
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}
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}
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else {
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return new BSONRegExp(doc.$regex, BSONRegExp.parseOptions(doc.$options));
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}
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}
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if ('$regularExpression' in doc) {
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return new BSONRegExp(doc.$regularExpression.pattern, BSONRegExp.parseOptions(doc.$regularExpression.options));
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}
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throw new error_1.BSONTypeError("Unexpected BSONRegExp EJSON object form: " + JSON.stringify(doc));
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};
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return BSONRegExp;
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}());
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exports.BSONRegExp = BSONRegExp;
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Object.defineProperty(BSONRegExp.prototype, '_bsontype', { value: 'BSONRegExp' });
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//# sourceMappingURL=regexp.js.map
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