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Directory >> /home/softsuitetech/public_html/DEMO/hospital/node_modules/regexpu-core/

File / Folder	Size	Action
.	-
data	--	ren
LICENSE-MIT.txt	1.052KB	edt ren
README.md	5.322KB	edt ren
package.json	1.608KB	edt ren
rewrite-pattern.js	9.854KB	edt ren

'use strict';

const generate = require('regjsgen').generate;
const parse = require('regjsparser').parse;
const regenerate = require('regenerate');
const unicodeMatchProperty = require('unicode-match-property-ecmascript');
const unicodeMatchPropertyValue = require('unicode-match-property-value-ecmascript');
const iuMappings = require('./data/iu-mappings.js');
const ESCAPE_SETS = require('./data/character-class-escape-sets.js');

// Prepare a Regenerate set containing all code points, used for negative
// character classes (if any).
const UNICODE_SET = regenerate().addRange(0x0, 0x10FFFF);
// Without the `u` flag, the range stops at 0xFFFF.
// https://mths.be/es6#sec-pattern-semantics
const BMP_SET = regenerate().addRange(0x0, 0xFFFF);

// Prepare a Regenerate set containing all code points that are supposed to be
// matched by `/./u`. https://mths.be/es6#sec-atom
const DOT_SET_UNICODE = UNICODE_SET.clone() // all Unicode code points
	.remove(
		// minus `LineTerminator`s (https://mths.be/es6#sec-line-terminators):
		0x000A, // Line Feed <LF>
		0x000D, // Carriage Return <CR>
		0x2028, // Line Separator <LS>
		0x2029  // Paragraph Separator <PS>
	);

const getUnicodeDotSet = (dotAll) => {
	return dotAll ? UNICODE_SET : DOT_SET_UNICODE;
};

// Given a range of code points, add any case-folded code points in that range
// to a set.
regenerate.prototype.iuAddRange = function(min, max) {
	const $this = this;
	do {
		const folded = caseFold(min);
		if (folded) {
			$this.add(folded);
		}
	} while (++min <= max);
	return $this;
};

const update = (item, pattern) => {
	let tree = parse(pattern, config.useUnicodeFlag ? 'u' : '');
	switch (tree.type) {
		case 'characterClass':
		case 'group':
		case 'value':
			// No wrapping needed.
			break;
		default:
			// Wrap the pattern in a non-capturing group.
			tree = wrap(tree, pattern);
	}
	Object.assign(item, tree);
};

const wrap = (tree, pattern) => {
	// Wrap the pattern in a non-capturing group.
	return {
		'type': 'group',
		'behavior': 'ignore',
		'body': [tree],
		'raw': `(?:${ pattern })`
	};
};

const caseFold = (codePoint) => {
	return iuMappings.get(codePoint) || false;
};

const updateNamedReference = (item, index) => {
	delete item.name;
	item.matchIndex = index;
};

if (groups.names[name]) {
					throw new Error(
						`Multiple groups with the same name (${ name }) are not allowed.`
					);
				}

const index = groups.lastIndex;
				delete item.name;

groups.names[name] = index;
				if (groups.onNamedGroup) {
					groups.onNamedGroup.call(null, name, index);
				}

if (groups.unmatchedReferences[name]) {
					groups.unmatchedReferences[name].forEach(reference => {
						updateNamedReference(reference, index);
					});
					delete groups.unmatchedReferences[name];
				}
			}
			/* falls through */
		case 'alternative':
		case 'disjunction':
		case 'quantifier':
			item.body = item.body.map(term => {
				return processTerm(term, regenerateOptions, groups);
			});
			break;
		case 'value':
			const codePoint = item.codePoint;
			const set = regenerate(codePoint);
			if (config.ignoreCase && config.unicode && !config.useUnicodeFlag) {
				const folded = caseFold(codePoint);
				if (folded) {
					set.add(folded);
				}
			}
			update(item, set.toString(regenerateOptions));
			break;
		case 'reference':
			if (item.name) {
				const name = item.name.value;
				const index = groups.names[name];
				if (index) {
					updateNamedReference(item, index);
					break;
				}

if (!groups.unmatchedReferences[name]) {
					groups.unmatchedReferences[name] = [];
				}
				// Keep track of references used before the corresponding group.
				groups.unmatchedReferences[name].push(item);
			}
			break;
		case 'anchor':
		case 'empty':
		case 'group':
			// Nothing to do here.
			break;
		// The `default` clause is only here as a safeguard; it should never be
		// reached. Code coverage tools should ignore it.
		/* istanbul ignore next */
		default:
			throw new Error(`Unknown term type: ${ item.type }`);
	}
	return item;
};

module.exports = rewritePattern;

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