strings.ts

/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

import { CharCode } from 'vs/base/common/charCode';
import { Constants } from 'vs/base/common/uint';

export function isFalsyOrWhitespace(str: string | undefined): boolean {
	if (!str || typeof str !== 'string') {
		return true;
	}
	return str.trim().length === 0;
}

/**
 * @deprecated ES6: use `String.padStart`
 */
export function pad(n: number, l: number, char: string = '0'): string {
	const str = '' + n;
	const r = [str];

	for (let i = str.length; i < l; i++) {
		r.push(char);
	}

	return r.reverse().join('');
}

const _formatRegexp = /{(\d+)}/g;

/**
 * Helper to produce a string with a variable number of arguments. Insert variable segments
 * into the string using the {n} notation where N is the index of the argument following the string.
 * @param value string to which formatting is applied
 * @param args replacements for {n}-entries
 */
export function format(value: string, ...args: any[]): string {
	if (args.length === 0) {
		return value;
	}
	return value.replace(_formatRegexp, function (match, group) {
		const idx = parseInt(group, 10);
		return isNaN(idx) || idx < 0 || idx >= args.length ?
			match :
			args[idx];
	});
}

/**
 * Converts HTML characters inside the string to use entities instead. Makes the string safe from
 * being used e.g. in HTMLElement.innerHTML.
 */
export function escape(html: string): string {
	return html.replace(/[<>&]/g, function (match) {
		switch (match) {
			case '<': return '&lt;';
			case '>': return '&gt;';
			case '&': return '&amp;';
			default: return match;
		}
	});
}

/**
 * Escapes regular expression characters in a given string
 */
export function escapeRegExpCharacters(value: string): string {
	return value.replace(/[\\\{\}\*\+\?\|\^\$\.\[\]\(\)]/g, '\\$&');
}

/**
 * Removes all occurrences of needle from the beginning and end of haystack.
 * @param haystack string to trim
 * @param needle the thing to trim (default is a blank)
 */
export function trim(haystack: string, needle: string = ' '): string {
	const trimmed = ltrim(haystack, needle);
	return rtrim(trimmed, needle);
}

/**
 * Removes all occurrences of needle from the beginning of haystack.
 * @param haystack string to trim
 * @param needle the thing to trim
 */
export function ltrim(haystack: string, needle: string): string {
	if (!haystack || !needle) {
		return haystack;
	}

	const needleLen = needle.length;
	if (needleLen === 0 || haystack.length === 0) {
		return haystack;
	}

	let offset = 0;

	while (haystack.indexOf(needle, offset) === offset) {
		offset = offset + needleLen;
	}
	return haystack.substring(offset);
}

/**
 * Removes all occurrences of needle from the end of haystack.
 * @param haystack string to trim
 * @param needle the thing to trim
 */
export function rtrim(haystack: string, needle: string): string {
	if (!haystack || !needle) {
		return haystack;
	}

	const needleLen = needle.length,
		haystackLen = haystack.length;

	if (needleLen === 0 || haystackLen === 0) {
		return haystack;
	}

	let offset = haystackLen,
		idx = -1;

	while (true) {
		idx = haystack.lastIndexOf(needle, offset - 1);
		if (idx === -1 || idx + needleLen !== offset) {
			break;
		}
		if (idx === 0) {
			return '';
		}
		offset = idx;
	}

	return haystack.substring(0, offset);
}

export function convertSimple2RegExpPattern(pattern: string): string {
	return pattern.replace(/[\-\\\{\}\+\?\|\^\$\.\,\[\]\(\)\#\s]/g, '\\$&').replace(/[\*]/g, '.*');
}

export function stripWildcards(pattern: string): string {
	return pattern.replace(/\*/g, '');
}

/**
 * @deprecated ES6: use `String.endsWith`
 */
export function endsWith(haystack: string, needle: string): boolean {
	const diff = haystack.length - needle.length;
	if (diff > 0) {
		return haystack.indexOf(needle, diff) === diff;
	} else if (diff === 0) {
		return haystack === needle;
	} else {
		return false;
	}
}

export interface RegExpOptions {
	matchCase?: boolean;
	wholeWord?: boolean;
	multiline?: boolean;
	global?: boolean;
	unicode?: boolean;
}

export function createRegExp(searchString: string, isRegex: boolean, options: RegExpOptions = {}): RegExp {
	if (!searchString) {
		throw new Error('Cannot create regex from empty string');
	}
	if (!isRegex) {
		searchString = escapeRegExpCharacters(searchString);
	}
	if (options.wholeWord) {
		if (!/\B/.test(searchString.charAt(0))) {
			searchString = '\\b' + searchString;
		}
		if (!/\B/.test(searchString.charAt(searchString.length - 1))) {
			searchString = searchString + '\\b';
		}
	}
	let modifiers = '';
	if (options.global) {
		modifiers += 'g';
	}
	if (!options.matchCase) {
		modifiers += 'i';
	}
	if (options.multiline) {
		modifiers += 'm';
	}
	if (options.unicode) {
		modifiers += 'u';
	}

	return new RegExp(searchString, modifiers);
}

export function regExpLeadsToEndlessLoop(regexp: RegExp): boolean {
	// Exit early if it's one of these special cases which are meant to match
	// against an empty string
	if (regexp.source === '^' || regexp.source === '^$' || regexp.source === '$' || regexp.source === '^\\s*$') {
		return false;
	}

	// We check against an empty string. If the regular expression doesn't advance
	// (e.g. ends in an endless loop) it will match an empty string.
	const match = regexp.exec('');
	return !!(match && regexp.lastIndex === 0);
}

export function regExpContainsBackreference(regexpValue: string): boolean {
	return !!regexpValue.match(/([^\\]|^)(\\\\)*\\\d+/);
}

export function regExpFlags(regexp: RegExp): string {
	return (regexp.global ? 'g' : '')
		+ (regexp.ignoreCase ? 'i' : '')
		+ (regexp.multiline ? 'm' : '')
		+ ((regexp as any /* standalone editor compilation */).unicode ? 'u' : '');
}

/**
 * Returns first index of the string that is not whitespace.
 * If string is empty or contains only whitespaces, returns -1
 */
export function firstNonWhitespaceIndex(str: string): number {
	for (let i = 0, len = str.length; i < len; i++) {
		const chCode = str.charCodeAt(i);
		if (chCode !== CharCode.Space && chCode !== CharCode.Tab) {
			return i;
		}
	}
	return -1;
}

/**
 * Returns the leading whitespace of the string.
 * If the string contains only whitespaces, returns entire string
 */
export function getLeadingWhitespace(str: string, start: number = 0, end: number = str.length): string {
	for (let i = start; i < end; i++) {
		const chCode = str.charCodeAt(i);
		if (chCode !== CharCode.Space && chCode !== CharCode.Tab) {
			return str.substring(start, i);
		}
	}
	return str.substring(start, end);
}

/**
 * Returns last index of the string that is not whitespace.
 * If string is empty or contains only whitespaces, returns -1
 */
export function lastNonWhitespaceIndex(str: string, startIndex: number = str.length - 1): number {
	for (let i = startIndex; i >= 0; i--) {
		const chCode = str.charCodeAt(i);
		if (chCode !== CharCode.Space && chCode !== CharCode.Tab) {
			return i;
		}
	}
	return -1;
}

export function compare(a: string, b: string): number {
	if (a < b) {
		return -1;
	} else if (a > b) {
		return 1;
	} else {
		return 0;
	}
}

export function compareSubstring(a: string, b: string, aStart: number = 0, aEnd: number = a.length, bStart: number = 0, bEnd: number = b.length): number {
	for (; aStart < aEnd && bStart < bEnd; aStart++, bStart++) {
		let codeA = a.charCodeAt(aStart);
		let codeB = b.charCodeAt(bStart);
		if (codeA < codeB) {
			return -1;
		} else if (codeA > codeB) {
			return 1;
		}
	}
	const aLen = aEnd - aStart;
	const bLen = bEnd - bStart;
	if (aLen < bLen) {
		return -1;
	} else if (aLen > bLen) {
		return 1;
	}
	return 0;
}

export function compareIgnoreCase(a: string, b: string): number {
	return compareSubstringIgnoreCase(a, b, 0, a.length, 0, b.length);
}

export function compareSubstringIgnoreCase(a: string, b: string, aStart: number = 0, aEnd: number = a.length, bStart: number = 0, bEnd: number = b.length): number {

	for (; aStart < aEnd && bStart < bEnd; aStart++, bStart++) {

		let codeA = a.charCodeAt(aStart);
		let codeB = b.charCodeAt(bStart);

		if (codeA === codeB) {
			// equal
			continue;
		}

		const diff = codeA - codeB;
		if (diff === 32 && isUpperAsciiLetter(codeB)) { //codeB =[65-90] && codeA =[97-122]
			continue;

		} else if (diff === -32 && isUpperAsciiLetter(codeA)) {  //codeB =[97-122] && codeA =[65-90]
			continue;
		}

		if (isLowerAsciiLetter(codeA) && isLowerAsciiLetter(codeB)) {
			//
			return diff;

		} else {
			return compareSubstring(a.toLowerCase(), b.toLowerCase(), aStart, aEnd, bStart, bEnd);
		}
	}

	const aLen = aEnd - aStart;
	const bLen = bEnd - bStart;

	if (aLen < bLen) {
		return -1;
	} else if (aLen > bLen) {
		return 1;
	}

	return 0;
}

export function isLowerAsciiLetter(code: number): boolean {
	return code >= CharCode.a && code <= CharCode.z;
}

export function isUpperAsciiLetter(code: number): boolean {
	return code >= CharCode.A && code <= CharCode.Z;
}

function isAsciiLetter(code: number): boolean {
	return isLowerAsciiLetter(code) || isUpperAsciiLetter(code);
}

export function equalsIgnoreCase(a: string, b: string): boolean {
	return a.length === b.length && doEqualsIgnoreCase(a, b);
}

function doEqualsIgnoreCase(a: string, b: string, stopAt = a.length): boolean {
	for (let i = 0; i < stopAt; i++) {
		const codeA = a.charCodeAt(i);
		const codeB = b.charCodeAt(i);

		if (codeA === codeB) {
			continue;
		}

		// a-z A-Z
		if (isAsciiLetter(codeA) && isAsciiLetter(codeB)) {
			const diff = Math.abs(codeA - codeB);
			if (diff !== 0 && diff !== 32) {
				return false;
			}
		}

		// Any other charcode
		else {
			if (String.fromCharCode(codeA).toLowerCase() !== String.fromCharCode(codeB).toLowerCase()) {
				return false;
			}
		}
	}

	return true;
}

export function startsWithIgnoreCase(str: string, candidate: string): boolean {
	const candidateLength = candidate.length;
	if (candidate.length > str.length) {
		return false;
	}

	return doEqualsIgnoreCase(str, candidate, candidateLength);
}

/**
 * @returns the length of the common prefix of the two strings.
 */
export function commonPrefixLength(a: string, b: string): number {

	let i: number,
		len = Math.min(a.length, b.length);

	for (i = 0; i < len; i++) {
		if (a.charCodeAt(i) !== b.charCodeAt(i)) {
			return i;
		}
	}

	return len;
}

/**
 * @returns the length of the common suffix of the two strings.
 */
export function commonSuffixLength(a: string, b: string): number {

	let i: number,
		len = Math.min(a.length, b.length);

	const aLastIndex = a.length - 1;
	const bLastIndex = b.length - 1;

	for (i = 0; i < len; i++) {
		if (a.charCodeAt(aLastIndex - i) !== b.charCodeAt(bLastIndex - i)) {
			return i;
		}
	}

	return len;
}

/**
 * See http://en.wikipedia.org/wiki/Surrogate_pair
 */
export function isHighSurrogate(charCode: number): boolean {
	return (0xD800 <= charCode && charCode <= 0xDBFF);
}

/**
 * See http://en.wikipedia.org/wiki/Surrogate_pair
 */
export function isLowSurrogate(charCode: number): boolean {
	return (0xDC00 <= charCode && charCode <= 0xDFFF);
}

/**
 * See http://en.wikipedia.org/wiki/Surrogate_pair
 */
export function computeCodePoint(highSurrogate: number, lowSurrogate: number): number {
	return ((highSurrogate - 0xD800) << 10) + (lowSurrogate - 0xDC00) + 0x10000;
}

/**
 * get the code point that begins at offset `offset`
 */
export function getNextCodePoint(str: string, len: number, offset: number): number {
	const charCode = str.charCodeAt(offset);
	if (isHighSurrogate(charCode) && offset + 1 < len) {
		const nextCharCode = str.charCodeAt(offset + 1);
		if (isLowSurrogate(nextCharCode)) {
			return computeCodePoint(charCode, nextCharCode);
		}
	}
	return charCode;
}

/**
 * get the code point that ends right before offset `offset`
 */
function getPrevCodePoint(str: string, offset: number): number {
	const charCode = str.charCodeAt(offset - 1);
	if (isLowSurrogate(charCode) && offset > 1) {
		const prevCharCode = str.charCodeAt(offset - 2);
		if (isHighSurrogate(prevCharCode)) {
			return computeCodePoint(prevCharCode, charCode);
		}
	}
	return charCode;
}

export function nextCharLength(str: string, offset: number): number {
	const graphemeBreakTree = GraphemeBreakTree.getInstance();
	const initialOffset = offset;
	const len = str.length;

	const initialCodePoint = getNextCodePoint(str, len, offset);
	offset += (initialCodePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);

	let graphemeBreakType = graphemeBreakTree.getGraphemeBreakType(initialCodePoint);
	while (offset < len) {
		const nextCodePoint = getNextCodePoint(str, len, offset);
		const nextGraphemeBreakType = graphemeBreakTree.getGraphemeBreakType(nextCodePoint);
		if (breakBetweenGraphemeBreakType(graphemeBreakType, nextGraphemeBreakType)) {
			break;
		}
		offset += (nextCodePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);
		graphemeBreakType = nextGraphemeBreakType;
	}

	return (offset - initialOffset);
}

export function prevCharLength(str: string, offset: number): number {
	const graphemeBreakTree = GraphemeBreakTree.getInstance();
	const initialOffset = offset;

	const initialCodePoint = getPrevCodePoint(str, offset);
	offset -= (initialCodePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);

	let graphemeBreakType = graphemeBreakTree.getGraphemeBreakType(initialCodePoint);
	while (offset > 0) {
		const prevCodePoint = getPrevCodePoint(str, offset);
		const prevGraphemeBreakType = graphemeBreakTree.getGraphemeBreakType(prevCodePoint);
		if (breakBetweenGraphemeBreakType(prevGraphemeBreakType, graphemeBreakType)) {
			break;
		}
		offset -= (prevCodePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);
		graphemeBreakType = prevGraphemeBreakType;
	}

	return (initialOffset - offset);
}

function _getCharContainingOffset(str: string, offset: number): [number, number] {
	const graphemeBreakTree = GraphemeBreakTree.getInstance();
	const len = str.length;
	const initialOffset = offset;
	const initialCodePoint = getNextCodePoint(str, len, offset);
	const initialGraphemeBreakType = graphemeBreakTree.getGraphemeBreakType(initialCodePoint);
	offset += (initialCodePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);

	// extend to the right
	let graphemeBreakType = initialGraphemeBreakType;
	while (offset < len) {
		const nextCodePoint = getNextCodePoint(str, len, offset);
		const nextGraphemeBreakType = graphemeBreakTree.getGraphemeBreakType(nextCodePoint);
		if (breakBetweenGraphemeBreakType(graphemeBreakType, nextGraphemeBreakType)) {
			break;
		}
		offset += (nextCodePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);
		graphemeBreakType = nextGraphemeBreakType;
	}
	const endOffset = offset;

	// extend to the left
	offset = initialOffset;
	graphemeBreakType = initialGraphemeBreakType;
	while (offset > 0) {
		const prevCodePoint = getPrevCodePoint(str, offset);
		const prevGraphemeBreakType = graphemeBreakTree.getGraphemeBreakType(prevCodePoint);
		if (breakBetweenGraphemeBreakType(prevGraphemeBreakType, graphemeBreakType)) {
			break;
		}
		offset -= (prevCodePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);
		graphemeBreakType = prevGraphemeBreakType;
	}

	return [offset, endOffset];
}

export function getCharContainingOffset(str: string, offset: number): [number, number] {
	if (offset > 0 && isLowSurrogate(str.charCodeAt(offset))) {
		return _getCharContainingOffset(str, offset - 1);
	}
	return _getCharContainingOffset(str, offset);
}

/**
 * A manual encoding of `str` to UTF8.
 * Use only in environments which do not offer native conversion methods!
 */
export function encodeUTF8(str: string): Uint8Array {
	const strLen = str.length;

	// See https://en.wikipedia.org/wiki/UTF-8

	// first loop to establish needed buffer size
	let neededSize = 0;
	let strOffset = 0;
	while (strOffset < strLen) {
		const codePoint = getNextCodePoint(str, strLen, strOffset);
		strOffset += (codePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);

		if (codePoint < 0x0080) {
			neededSize += 1;
		} else if (codePoint < 0x0800) {
			neededSize += 2;
		} else if (codePoint < 0x10000) {
			neededSize += 3;
		} else {
			neededSize += 4;
		}
	}

	// second loop to actually encode
	const arr = new Uint8Array(neededSize);
	strOffset = 0;
	let arrOffset = 0;
	while (strOffset < strLen) {
		const codePoint = getNextCodePoint(str, strLen, strOffset);
		strOffset += (codePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);

		if (codePoint < 0x0080) {
			arr[arrOffset++] = codePoint;
		} else if (codePoint < 0x0800) {
			arr[arrOffset++] = 0b11000000 | ((codePoint & 0b00000000000000000000011111000000) >>> 6);
			arr[arrOffset++] = 0b10000000 | ((codePoint & 0b00000000000000000000000000111111) >>> 0);
		} else if (codePoint < 0x10000) {
			arr[arrOffset++] = 0b11100000 | ((codePoint & 0b00000000000000001111000000000000) >>> 12);
			arr[arrOffset++] = 0b10000000 | ((codePoint & 0b00000000000000000000111111000000) >>> 6);
			arr[arrOffset++] = 0b10000000 | ((codePoint & 0b00000000000000000000000000111111) >>> 0);
		} else {
			arr[arrOffset++] = 0b11110000 | ((codePoint & 0b00000000000111000000000000000000) >>> 18);
			arr[arrOffset++] = 0b10000000 | ((codePoint & 0b00000000000000111111000000000000) >>> 12);
			arr[arrOffset++] = 0b10000000 | ((codePoint & 0b00000000000000000000111111000000) >>> 6);
			arr[arrOffset++] = 0b10000000 | ((codePoint & 0b00000000000000000000000000111111) >>> 0);
		}
	}

	return arr;
}

/**
 * A manual decoding of a UTF8 string.
 * Use only in environments which do not offer native conversion methods!
 */
export function decodeUTF8(buffer: Uint8Array): string {
	// https://en.wikipedia.org/wiki/UTF-8

	const len = buffer.byteLength;
	const result: string[] = [];
	let offset = 0;
	while (offset < len) {
		const v0 = buffer[offset];
		let codePoint: number;
		if (v0 >= 0b11110000 && offset + 3 < len) {
			// 4 bytes
			codePoint = (
				(((buffer[offset++] & 0b00000111) << 18) >>> 0)
				| (((buffer[offset++] & 0b00111111) << 12) >>> 0)
				| (((buffer[offset++] & 0b00111111) << 6) >>> 0)
				| (((buffer[offset++] & 0b00111111) << 0) >>> 0)
			);
		} else if (v0 >= 0b11100000 && offset + 2 < len) {
			// 3 bytes
			codePoint = (
				(((buffer[offset++] & 0b00001111) << 12) >>> 0)
				| (((buffer[offset++] & 0b00111111) << 6) >>> 0)
				| (((buffer[offset++] & 0b00111111) << 0) >>> 0)
			);
		} else if (v0 >= 0b11000000 && offset + 1 < len) {
			// 2 bytes
			codePoint = (
				(((buffer[offset++] & 0b00011111) << 6) >>> 0)
				| (((buffer[offset++] & 0b00111111) << 0) >>> 0)
			);
		} else {
			// 1 byte
			codePoint = buffer[offset++];
		}

		if ((codePoint >= 0 && codePoint <= 0xD7FF) || (codePoint >= 0xE000 && codePoint <= 0xFFFF)) {
			// Basic Multilingual Plane
			result.push(String.fromCharCode(codePoint));
		} else if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
			// Supplementary Planes
			const uPrime = codePoint - 0x10000;
			const w1 = 0xD800 + ((uPrime & 0b11111111110000000000) >>> 10);
			const w2 = 0xDC00 + ((uPrime & 0b00000000001111111111) >>> 0);
			result.push(String.fromCharCode(w1));
			result.push(String.fromCharCode(w2));
		} else {
			// illegal code point
			result.push(String.fromCharCode(0xFFFD));
		}
	}

	return result.join('');
}

/**
 * Generated using https://github.com/alexandrudima/unicode-utils/blob/master/generate-rtl-test.js
 */
const CONTAINS_RTL = /(?:[\u05BE\u05C0\u05C3\u05C6\u05D0-\u05F4\u0608\u060B\u060D\u061B-\u064A\u066D-\u066F\u0671-\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u0710\u0712-\u072F\u074D-\u07A5\u07B1-\u07EA\u07F4\u07F5\u07FA-\u0815\u081A\u0824\u0828\u0830-\u0858\u085E-\u08BD\u200F\uFB1D\uFB1F-\uFB28\uFB2A-\uFD3D\uFD50-\uFDFC\uFE70-\uFEFC]|\uD802[\uDC00-\uDD1B\uDD20-\uDE00\uDE10-\uDE33\uDE40-\uDEE4\uDEEB-\uDF35\uDF40-\uDFFF]|\uD803[\uDC00-\uDCFF]|\uD83A[\uDC00-\uDCCF\uDD00-\uDD43\uDD50-\uDFFF]|\uD83B[\uDC00-\uDEBB])/;

/**
 * Returns true if `str` contains any Unicode character that is classified as "R" or "AL".
 */
export function containsRTL(str: string): boolean {
	return CONTAINS_RTL.test(str);
}

/**
 * Generated using https://github.com/alexandrudima/unicode-utils/blob/master/generate-emoji-test.js
 */
const CONTAINS_EMOJI = /(?:[\u231A\u231B\u23F0\u23F3\u2600-\u27BF\u2B50\u2B55]|\uD83C[\uDDE6-\uDDFF\uDF00-\uDFFF]|\uD83D[\uDC00-\uDE4F\uDE80-\uDEFC\uDFE0-\uDFEB]|\uD83E[\uDD00-\uDDFF\uDE70-\uDE73\uDE78-\uDE82\uDE90-\uDE95])/;

export function containsEmoji(str: string): boolean {
	return CONTAINS_EMOJI.test(str);
}

const IS_BASIC_ASCII = /^[\t\n\r\x20-\x7E]*$/;
/**
 * Returns true if `str` contains only basic ASCII characters in the range 32 - 126 (including 32 and 126) or \n, \r, \t
 */
export function isBasicASCII(str: string): boolean {
	return IS_BASIC_ASCII.test(str);
}

export const UNUSUAL_LINE_TERMINATORS = /[\u2028\u2029]/; // LINE SEPARATOR (LS) or PARAGRAPH SEPARATOR (PS)
/**
 * Returns true if `str` contains unusual line terminators, like LS or PS
 */
export function containsUnusualLineTerminators(str: string): boolean {
	return UNUSUAL_LINE_TERMINATORS.test(str);
}

export function containsFullWidthCharacter(str: string): boolean {
	for (let i = 0, len = str.length; i < len; i++) {
		if (isFullWidthCharacter(str.charCodeAt(i))) {
			return true;
		}
	}
	return false;
}

export function isFullWidthCharacter(charCode: number): boolean {
	// Do a cheap trick to better support wrapping of wide characters, treat them as 2 columns
	// http://jrgraphix.net/research/unicode_blocks.php
	//          2E80 — 2EFF   CJK Radicals Supplement
	//          2F00 — 2FDF   Kangxi Radicals
	//          2FF0 — 2FFF   Ideographic Description Characters
	//          3000 — 303F   CJK Symbols and Punctuation
	//          3040 — 309F   Hiragana
	//          30A0 — 30FF   Katakana
	//          3100 — 312F   Bopomofo
	//          3130 — 318F   Hangul Compatibility Jamo
	//          3190 — 319F   Kanbun
	//          31A0 — 31BF   Bopomofo Extended
	//          31F0 — 31FF   Katakana Phonetic Extensions
	//          3200 — 32FF   Enclosed CJK Letters and Months
	//          3300 — 33FF   CJK Compatibility
	//          3400 — 4DBF   CJK Unified Ideographs Extension A
	//          4DC0 — 4DFF   Yijing Hexagram Symbols
	//          4E00 — 9FFF   CJK Unified Ideographs
	//          A000 — A48F   Yi Syllables
	//          A490 — A4CF   Yi Radicals
	//          AC00 — D7AF   Hangul Syllables
	// [IGNORE] D800 — DB7F   High Surrogates
	// [IGNORE] DB80 — DBFF   High Private Use Surrogates
	// [IGNORE] DC00 — DFFF   Low Surrogates
	// [IGNORE] E000 — F8FF   Private Use Area
	//          F900 — FAFF   CJK Compatibility Ideographs
	// [IGNORE] FB00 — FB4F   Alphabetic Presentation Forms
	// [IGNORE] FB50 — FDFF   Arabic Presentation Forms-A
	// [IGNORE] FE00 — FE0F   Variation Selectors
	// [IGNORE] FE20 — FE2F   Combining Half Marks
	// [IGNORE] FE30 — FE4F   CJK Compatibility Forms
	// [IGNORE] FE50 — FE6F   Small Form Variants
	// [IGNORE] FE70 — FEFF   Arabic Presentation Forms-B
	//          FF00 — FFEF   Halfwidth and Fullwidth Forms
	//               [https://en.wikipedia.org/wiki/Halfwidth_and_fullwidth_forms]
	//               of which FF01 - FF5E fullwidth ASCII of 21 to 7E
	// [IGNORE]    and FF65 - FFDC halfwidth of Katakana and Hangul
	// [IGNORE] FFF0 — FFFF   Specials
	charCode = +charCode; // @perf
	return (
		(charCode >= 0x2E80 && charCode <= 0xD7AF)
		|| (charCode >= 0xF900 && charCode <= 0xFAFF)
		|| (charCode >= 0xFF01 && charCode <= 0xFF5E)
	);
}

/**
 * A fast function (therefore imprecise) to check if code points are emojis.
 * Generated using https://github.com/alexandrudima/unicode-utils/blob/master/generate-emoji-test.js
 */
export function isEmojiImprecise(x: number): boolean {
	return (
		(x >= 0x1F1E6 && x <= 0x1F1FF) || (x >= 9728 && x <= 10175) || (x >= 127744 && x <= 128591)
		|| (x >= 128640 && x <= 128764) || (x >= 128992 && x <= 129003) || (x >= 129280 && x <= 129535)
		|| (x >= 129648 && x <= 129651) || (x >= 129656 && x <= 129666) || (x >= 129680 && x <= 129685)
	);
}

/**
 * Given a string and a max length returns a shorted version. Shorting
 * happens at favorable positions - such as whitespace or punctuation characters.
 */
export function lcut(text: string, n: number) {
	if (text.length < n) {
		return text;
	}

	const re = /\b/g;
	let i = 0;
	while (re.test(text)) {
		if (text.length - re.lastIndex < n) {
			break;
		}

		i = re.lastIndex;
		re.lastIndex += 1;
	}

	return text.substring(i).replace(/^\s/, '');
}

// Escape codes
// http://en.wikipedia.org/wiki/ANSI_escape_code
const EL = /\x1B\x5B[12]?K/g; // Erase in line
const COLOR_START = /\x1b\[\d+m/g; // Color
const COLOR_END = /\x1b\[0?m/g; // Color

export function removeAnsiEscapeCodes(str: string): string {
	if (str) {
		str = str.replace(EL, '');
		str = str.replace(COLOR_START, '');
		str = str.replace(COLOR_END, '');
	}

	return str;
}

// -- UTF-8 BOM

export const UTF8_BOM_CHARACTER = String.fromCharCode(CharCode.UTF8_BOM);

export function startsWithUTF8BOM(str: string): boolean {
	return !!(str && str.length > 0 && str.charCodeAt(0) === CharCode.UTF8_BOM);
}

export function stripUTF8BOM(str: string): string {
	return startsWithUTF8BOM(str) ? str.substr(1) : str;
}

/**
 * @deprecated ES6
 */
export function repeat(s: string, count: number): string {
	let result = '';
	for (let i = 0; i < count; i++) {
		result += s;
	}
	return result;
}

/**
 * Checks if the characters of the provided query string are included in the
 * target string. The characters do not have to be contiguous within the string.
 */
export function fuzzyContains(target: string, query: string): boolean {
	if (!target || !query) {
		return false; // return early if target or query are undefined
	}

	if (target.length < query.length) {
		return false; // impossible for query to be contained in target
	}

	const queryLen = query.length;
	const targetLower = target.toLowerCase();

	let index = 0;
	let lastIndexOf = -1;
	while (index < queryLen) {
		const indexOf = targetLower.indexOf(query[index], lastIndexOf + 1);
		if (indexOf < 0) {
			return false;
		}

		lastIndexOf = indexOf;

		index++;
	}

	return true;
}

export function containsUppercaseCharacter(target: string, ignoreEscapedChars = false): boolean {
	if (!target) {
		return false;
	}

	if (ignoreEscapedChars) {
		target = target.replace(/\\./g, '');
	}

	return target.toLowerCase() !== target;
}

export function uppercaseFirstLetter(str: string): string {
	return str.charAt(0).toUpperCase() + str.slice(1);
}

export function getNLines(str: string, n = 1): string {
	if (n === 0) {
		return '';
	}

	let idx = -1;
	do {
		idx = str.indexOf('\n', idx + 1);
		n--;
	} while (n > 0 && idx >= 0);

	return idx >= 0 ?
		str.substr(0, idx) :
		str;
}

/**
 * Produces 'a'-'z', followed by 'A'-'Z'... followed by 'a'-'z', etc.
 */
export function singleLetterHash(n: number): string {
	const LETTERS_CNT = (CharCode.Z - CharCode.A + 1);

	n = n % (2 * LETTERS_CNT);

	if (n < LETTERS_CNT) {
		return String.fromCharCode(CharCode.a + n);
	}

	return String.fromCharCode(CharCode.A + n - LETTERS_CNT);
}

//#region Unicode Grapheme Break

export function getGraphemeBreakType(codePoint: number): GraphemeBreakType {
	const graphemeBreakTree = GraphemeBreakTree.getInstance();
	return graphemeBreakTree.getGraphemeBreakType(codePoint);
}

export function breakBetweenGraphemeBreakType(breakTypeA: GraphemeBreakType, breakTypeB: GraphemeBreakType): boolean {
	// http://www.unicode.org/reports/tr29/#Grapheme_Cluster_Boundary_Rules

	// !!! Let's make the common case a bit faster
	if (breakTypeA === GraphemeBreakType.Other) {
		// see https://www.unicode.org/Public/13.0.0/ucd/auxiliary/GraphemeBreakTest-13.0.0d10.html#table
		return (breakTypeB !== GraphemeBreakType.Extend && breakTypeB !== GraphemeBreakType.SpacingMark);
	}

	// Do not break between a CR and LF. Otherwise, break before and after controls.
	// GB3                                        CR × LF
	// GB4                       (Control | CR | LF) ÷
	// GB5                                           ÷ (Control | CR | LF)
	if (breakTypeA === GraphemeBreakType.CR) {
		if (breakTypeB === GraphemeBreakType.LF) {
			return false; // GB3
		}
	}
	if (breakTypeA === GraphemeBreakType.Control || breakTypeA === GraphemeBreakType.CR || breakTypeA === GraphemeBreakType.LF) {
		return true; // GB4
	}
	if (breakTypeB === GraphemeBreakType.Control || breakTypeB === GraphemeBreakType.CR || breakTypeB === GraphemeBreakType.LF) {
		return true; // GB5
	}

	// Do not break Hangul syllable sequences.
	// GB6                                         L × (L | V | LV | LVT)
	// GB7                                  (LV | V) × (V | T)
	// GB8                                 (LVT | T) × T
	if (breakTypeA === GraphemeBreakType.L) {
		if (breakTypeB === GraphemeBreakType.L || breakTypeB === GraphemeBreakType.V || breakTypeB === GraphemeBreakType.LV || breakTypeB === GraphemeBreakType.LVT) {
			return false; // GB6
		}
	}
	if (breakTypeA === GraphemeBreakType.LV || breakTypeA === GraphemeBreakType.V) {
		if (breakTypeB === GraphemeBreakType.V || breakTypeB === GraphemeBreakType.T) {
			return false; // GB7
		}
	}
	if (breakTypeA === GraphemeBreakType.LVT || breakTypeA === GraphemeBreakType.T) {
		if (breakTypeB === GraphemeBreakType.T) {
			return false; // GB8
		}
	}

	// Do not break before extending characters or ZWJ.
	// GB9                                           × (Extend | ZWJ)
	if (breakTypeB === GraphemeBreakType.Extend || breakTypeB === GraphemeBreakType.ZWJ) {
		return false; // GB9
	}

	// The GB9a and GB9b rules only apply to extended grapheme clusters:
	// Do not break before SpacingMarks, or after Prepend characters.
	// GB9a                                          × SpacingMark
	// GB9b                                  Prepend ×
	if (breakTypeB === GraphemeBreakType.SpacingMark) {
		return false; // GB9a
	}
	if (breakTypeA === GraphemeBreakType.Prepend) {
		return false; // GB9b
	}

	// Do not break within emoji modifier sequences or emoji zwj sequences.
	// GB11    \p{Extended_Pictographic} Extend* ZWJ × \p{Extended_Pictographic}
	if (breakTypeA === GraphemeBreakType.ZWJ && breakTypeB === GraphemeBreakType.Extended_Pictographic) {
		// Note: we are not implementing the rule entirely here to avoid introducing states
		return false; // GB11
	}

	// GB12                          sot (RI RI)* RI × RI
	// GB13                        [^RI] (RI RI)* RI × RI
	if (breakTypeA === GraphemeBreakType.Regional_Indicator && breakTypeB === GraphemeBreakType.Regional_Indicator) {
		// Note: we are not implementing the rule entirely here to avoid introducing states
		return false; // GB12 & GB13
	}

	// GB999                                     Any ÷ Any
	return true;
}

export const enum GraphemeBreakType {
	Other = 0,
	Prepend = 1,
	CR = 2,
	LF = 3,
	Control = 4,
	Extend = 5,
	Regional_Indicator = 6,
	SpacingMark = 7,
	L = 8,
	V = 9,
	T = 10,
	LV = 11,
	LVT = 12,
	ZWJ = 13,
	Extended_Pictographic = 14
}

class GraphemeBreakTree {

	private static _INSTANCE: GraphemeBreakTree | null = null;
	public static getInstance(): GraphemeBreakTree {
		if (!GraphemeBreakTree._INSTANCE) {
			GraphemeBreakTree._INSTANCE = new GraphemeBreakTree();
		}
		return GraphemeBreakTree._INSTANCE;
	}

	private readonly _data: number[];

	constructor() {
		this._data = getGraphemeBreakRawData();
	}

	public getGraphemeBreakType(codePoint: number): GraphemeBreakType {
		// !!! Let's make 7bit ASCII a bit faster: 0..31
		if (codePoint < 32) {
			if (codePoint === CharCode.LineFeed) {
				return GraphemeBreakType.LF;
			}
			if (codePoint === CharCode.CarriageReturn) {
				return GraphemeBreakType.CR;
			}
			return GraphemeBreakType.Control;
		}
		// !!! Let's make 7bit ASCII a bit faster: 32..126
		if (codePoint < 127) {
			return GraphemeBreakType.Other;
		}

		const data = this._data;
		const nodeCount = data.length / 3;
		let nodeIndex = 1;
		while (nodeIndex <= nodeCount) {
			if (codePoint < data[3 * nodeIndex]) {
				// go left
				nodeIndex = 2 * nodeIndex;
			} else if (codePoint > data[3 * nodeIndex + 1]) {
				// go right
				nodeIndex = 2 * nodeIndex + 1;
			} else {
				// hit
				return data[3 * nodeIndex + 2];
			}
		}

		return GraphemeBreakType.Other;
	}
}

function getGraphemeBreakRawData(): number[] {
	// generated using https://github.com/alexandrudima/unicode-utils/blob/master/generate-grapheme-break.js
	return JSON.parse('[0,0,0,51592,51592,11,44424,44424,11,72251,72254,5,7150,7150,7,48008,48008,11,55176,55176,11,128420,128420,14,3276,3277,5,9979,9980,14,46216,46216,11,49800,49800,11,53384,53384,11,70726,70726,5,122915,122916,5,129320,129327,14,2558,2558,5,5906,5908,5,9762,9763,14,43360,43388,8,45320,45320,11,47112,47112,11,48904,48904,11,50696,50696,11,52488,52488,11,54280,54280,11,70082,70083,1,71350,71350,7,73111,73111,5,127892,127893,14,128726,128727,14,129473,129474,14,2027,2035,5,2901,2902,5,3784,3789,5,6754,6754,5,8418,8420,5,9877,9877,14,11088,11088,14,44008,44008,5,44872,44872,11,45768,45768,11,46664,46664,11,47560,47560,11,48456,48456,11,49352,49352,11,50248,50248,11,51144,51144,11,52040,52040,11,52936,52936,11,53832,53832,11,54728,54728,11,69811,69814,5,70459,70460,5,71096,71099,7,71998,71998,5,72874,72880,5,119149,119149,7,127374,127374,14,128335,128335,14,128482,128482,14,128765,128767,14,129399,129400,14,129680,129685,14,1476,1477,5,2377,2380,7,2759,2760,5,3137,3140,7,3458,3459,7,4153,4154,5,6432,6434,5,6978,6978,5,7675,7679,5,9723,9726,14,9823,9823,14,9919,9923,14,10035,10036,14,42736,42737,5,43596,43596,5,44200,44200,11,44648,44648,11,45096,45096,11,45544,45544,11,45992,45992,11,46440,46440,11,46888,46888,11,47336,47336,11,47784,47784,11,48232,48232,11,48680,48680,11,49128,49128,11,49576,49576,11,50024,50024,11,50472,50472,11,50920,50920,11,51368,51368,11,51816,51816,11,52264,52264,11,52712,52712,11,53160,53160,11,53608,53608,11,54056,54056,11,54504,54504,11,54952,54952,11,68108,68111,5,69933,69940,5,70197,70197,7,70498,70499,7,70845,70845,5,71229,71229,5,71727,71735,5,72154,72155,5,72344,72345,5,73023,73029,5,94095,94098,5,121403,121452,5,126981,127182,14,127538,127546,14,127990,127990,14,128391,128391,14,128445,128449,14,128500,128505,14,128752,128752,14,129160,129167,14,129356,129356,14,129432,129442,14,129648,129651,14,129751,131069,14,173,173,4,1757,1757,1,2274,2274,1,2494,2494,5,2641,2641,5,2876,2876,5,3014,3016,7,3262,3262,7,3393,3396,5,3570,3571,7,3968,3972,5,4228,4228,7,6086,6086,5,6679,6680,5,6912,6915,5,7080,7081,5,7380,7392,5,8252,8252,14,9096,9096,14,9748,9749,14,9784,9786,14,9833,9850,14,9890,9894,14,9938,9938,14,9999,9999,14,10085,10087,14,12349,12349,14,43136,43137,7,43454,43456,7,43755,43755,7,44088,44088,11,44312,44312,11,44536,44536,11,44760,44760,11,44984,44984,11,45208,45208,11,45432,45432,11,45656,45656,11,45880,45880,11,46104,46104,11,46328,46328,11,46552,46552,11,46776,46776,11,47000,47000,11,47224,47224,11,47448,47448,11,47672,47672,11,47896,47896,11,48120,48120,11,48344,48344,11,48568,48568,11,48792,48792,11,49016,49016,11,49240,49240,11,49464,49464,11,49688,49688,11,49912,49912,11,50136,50136,11,50360,50360,11,50584,50584,11,50808,50808,11,51032,51032,11,51256,51256,11,51480,51480,11,51704,51704,11,51928,51928,11,52152,52152,11,52376,52376,11,52600,52600,11,52824,52824,11,53048,53048,11,53272,53272,11,53496,53496,11,53720,53720,11,53944,53944,11,54168,54168,11,54392,54392,11,54616,54616,11,54840,54840,11,55064,55064,11,65438,65439,5,69633,69633,5,69837,69837,1,70018,70018,7,70188,70190,7,70368,70370,7,70465,70468,7,70712,70719,5,70835,70840,5,70850,70851,5,71132,71133,5,71340,71340,7,71458,71461,5,71985,71989,7,72002,72002,7,72193,72202,5,72281,72283,5,72766,72766,7,72885,72886,5,73104,73105,5,92912,92916,5,113824,113827,4,119173,119179,5,121505,121519,5,125136,125142,5,127279,127279,14,127489,127490,14,127570,127743,14,127900,127901,14,128254,128254,14,128369,128370,14,128400,128400,14,128425,128432,14,128468,128475,14,128489,128494,14,128715,128720,14,128745,128745,14,128759,128760,14,129004,129023,14,129296,129304,14,129340,129342,14,129388,129392,14,129404,129407,14,129454,129455,14,129485,129487,14,129659,129663,14,129719,129727,14,917536,917631,5,13,13,2,1160,1161,5,1564,1564,4,1807,1807,1,2085,2087,5,2363,2363,7,2402,2403,5,2507,2508,7,2622,2624,7,2691,2691,7,2786,2787,5,2881,2884,5,3006,3006,5,3072,3072,5,3170,3171,5,3267,3268,7,3330,3331,7,3406,3406,1,3538,3540,5,3655,3662,5,3897,3897,5,4038,4038,5,4184,4185,5,4352,4447,8,6068,6069,5,6155,6157,5,6448,6449,7,6742,6742,5,6783,6783,5,6966,6970,5,7042,7042,7,7143,7143,7,7212,7219,5,7412,7412,5,8206,8207,4,8294,8303,4,8596,8601,14,9410,9410,14,9742,9742,14,9757,9757,14,9770,9770,14,9794,9794,14,9828,9828,14,9855,9855,14,9882,9882,14,9900,9903,14,9929,9933,14,9963,9967,14,9987,9988,14,10006,10006,14,10062,10062,14,10175,10175,14,11744,11775,5,42607,42607,5,43043,43044,7,43263,43263,5,43444,43445,7,43569,43570,5,43698,43700,5,43766,43766,5,44032,44032,11,44144,44144,11,44256,44256,11,44368,44368,11,44480,44480,11,44592,44592,11,44704,44704,11,44816,44816,11,44928,44928,11,45040,45040,11,45152,45152,11,45264,45264,11,45376,45376,11,45488,45488,11,45600,45600,11,45712,45712,11,45824,45824,11,45936,45936,11,46048,46048,11,46160,46160,11,46272,46272,11,46384,46384,11,46496,46496,11,46608,46608,11,46720,46720,11,46832,46832,11,46944,46944,11,47056,47056,11,47168,47168,11,47280,47280,11,47392,47392,11,47504,47504,11,47616,47616,11,47728,47728,11,47840,47840,11,47952,47952,11,48064,48064,11,48176,48176,11,48288,48288,11,48400,48400,11,48512,48512,11,48624,48624,11,48736,48736,11,48848,48848,11,48960,48960,11,49072,49072,11,49184,49184,11,49296,49296,11,49408,49408,11,49520,49520,11,49632,49632,11,49744,49744,11,49856,49856,11,49968,49968,11,50080,50080,11,50192,50192,11,50304,50304,11,50416,50416,11,50528,50528,11,50640,50640,11,50752,50752,11,50864,50864,11,50976,50976,11,51088,51088,11,51200,51200,11,51312,51312,11,51424,51424,11,51536,51536,11,51648,51648,11,51760,51760,11,51872,51872,11,51984,51984,11,52096,52096,11,52208,52208,11,52320,52320,11,52432,52432,11,52544,52544,11,52656,52656,11,52768,52768,11,52880,52880,11,52992,52992,11,53104,53104,11,53216,53216,11,53328,53328,11,53440,53440,11,53552,53552,11,53664,53664,11,53776,53776,11,53888,53888,11,54000,54000,11,54112,54112,11,54224,54224,11,54336,54336,11,54448,54448,11,54560,54560,11,54672,54672,11,54784,54784,11,54896,54896,11,55008,55008,11,55120,55120,11,64286,64286,5,66272,66272,5,68900,68903,5,69762,69762,7,69817,69818,5,69927,69931,5,70003,70003,5,70070,70078,5,70094,70094,7,70194,70195,7,70206,70206,5,70400,70401,5,70463,70463,7,70475,70477,7,70512,70516,5,70722,70724,5,70832,70832,5,70842,70842,5,70847,70848,5,71088,71089,7,71102,71102,7,71219,71226,5,71231,71232,5,71342,71343,7,71453,71455,5,71463,71467,5,71737,71738,5,71995,71996,5,72000,72000,7,72145,72147,7,72160,72160,5,72249,72249,7,72273,72278,5,72330,72342,5,72752,72758,5,72850,72871,5,72882,72883,5,73018,73018,5,73031,73031,5,73109,73109,5,73461,73462,7,94031,94031,5,94192,94193,7,119142,119142,7,119155,119162,4,119362,119364,5,121476,121476,5,122888,122904,5,123184,123190,5,126976,126979,14,127184,127231,14,127344,127345,14,127405,127461,14,127514,127514,14,127561,127567,14,127778,127779,14,127896,127896,14,127985,127986,14,127995,127999,5,128326,128328,14,128360,128366,14,128378,128378,14,128394,128397,14,128405,128406,14,128422,128423,14,128435,128443,14,128453,128464,14,128479,128480,14,128484,128487,14,128496,128498,14,128640,128709,14,128723,128724,14,128736,128741,14,128747,128748,14,128755,128755,14,128762,128762,14,128981,128991,14,129096,129103,14,129292,129292,14,129311,129311,14,129329,129330,14,129344,129349,14,129360,129374,14,129394,129394,14,129402,129402,14,129413,129425,14,129445,129450,14,129466,129471,14,129483,129483,14,129511,129535,14,129653,129655,14,129667,129670,14,129705,129711,14,129731,129743,14,917505,917505,4,917760,917999,5,10,10,3,127,159,4,768,879,5,1471,1471,5,1536,1541,1,1648,1648,5,1767,1768,5,1840,1866,5,2070,2073,5,2137,2139,5,2307,2307,7,2366,2368,7,2382,2383,7,2434,2435,7,2497,2500,5,2519,2519,5,2563,2563,7,2631,2632,5,2677,2677,5,2750,2752,7,2763,2764,7,2817,2817,5,2879,2879,5,2891,2892,7,2914,2915,5,3008,3008,5,3021,3021,5,3076,3076,5,3146,3149,5,3202,3203,7,3264,3265,7,3271,3272,7,3298,3299,5,3390,3390,5,3402,3404,7,3426,3427,5,3535,3535,5,3544,3550,7,3635,3635,7,3763,3763,7,3893,3893,5,3953,3966,5,3981,3991,5,4145,4145,7,4157,4158,5,4209,4212,5,4237,4237,5,4520,4607,10,5970,5971,5,6071,6077,5,6089,6099,5,6277,6278,5,6439,6440,5,6451,6456,7,6683,6683,5,6744,6750,5,6765,6770,7,6846,6846,5,6964,6964,5,6972,6972,5,7019,7027,5,7074,7077,5,7083,7085,5,7146,7148,7,7154,7155,7,7222,7223,5,7394,7400,5,7416,7417,5,8204,8204,5,8233,8233,4,8288,8292,4,8413,8416,5,8482,8482,14,8986,8987,14,9193,9203,14,9654,9654,14,9733,9733,14,9745,9745,14,9752,9752,14,9760,9760,14,9766,9766,14,9774,9775,14,9792,9792,14,9800,9811,14,9825,9826,14,9831,9831,14,9852,9853,14,9872,9873,14,9880,9880,14,9885,9887,14,9896,9897,14,9906,9916,14,9926,9927,14,9936,9936,14,9941,9960,14,9974,9974,14,9982,9985,14,9992,9997,14,10002,10002,14,10017,10017,14,10055,10055,14,10071,10071,14,10145,10145,14,11013,11015,14,11503,11505,5,12334,12335,5,12951,12951,14,42612,42621,5,43014,43014,5,43047,43047,7,43204,43205,5,43335,43345,5,43395,43395,7,43450,43451,7,43561,43566,5,43573,43574,5,43644,43644,5,43710,43711,5,43758,43759,7,44005,44005,5,44012,44012,7,44060,44060,11,44116,44116,11,44172,44172,11,44228,44228,11,44284,44284,11,44340,44340,11,44396,44396,11,44452,44452,11,44508,44508,11,44564,44564,11,44620,44620,11,44676,44676,11,44732,44732,11,44788,44788,11,44844,44844,11,44900,44900,11,44956,44956,11,45012,45012,11,45068,45068,11,45124,45124,11,45180,45180,11,45236,45236,11,45292,45292,11,45348,45348,11,45404,45404,11,45460,45460,11,45516,45516,11,45572,45572,11,45628,45628,11,45684,45684,11,45740,45740,11,45796,45796,11,45852,45852,11,45908,45908,11,45964,45964,11,46020,46020,11,46076,46076,11,46132,46132,11,46188,46188,11,46244,46244,11,46300,46300,11,46356,46356,11,46412,46412,11,46468,46468,11,46524,46524,11,46580,46580,11,46636,46636,11,46692,46692,11,46748,46748,11,46804,46804,11,46860,46860,11,46916,46916,11,46972,46972,11,47028,47028,11,47084,47084,11,47140,47140,11,47196,47196,11,47252,47252,11,47308,47308,11,47364,47364,11,47420,47420,11,47476,47476,11,47532,47532,11,47588,47588,11,47644,47644,11,47700,47700,11,47756,47756,11,47812,47812,11,47868,47868,11,47924,47924,11,47980,47980,11,48036,48036,11,48092,48092,11,48148,48148,11,48204,48204,11,48260,48260,11,48316,48316,11,48372,48372,11,48428,48428,11,48484,48484,11,48540,48540,11,48596,48596,11,48652,48652,11,48708,48708,11,48764,48764,11,48820,48820,11,48876,48876,11,48932,48932,11,48988,48988,11,49044,49044,11,49100,49100,11,49156,49156,11,49212,49212,11,49268,49268,11,49324,49324,11,49380,49380,11,49436,49436,11,49492,49492,11,49548,49548,11,49604,49604,11,49660,49660,11,49716,49716,11,49772,49772,11,49828,49828,11,49884,49884,11,49940,49940,11,49996,49996,11,50052,50052,11,50108,50108,11,50164,50164,11,50220,50220,11,50276,50276,11,50332,50332,11,50388,50388,11,50444,50444,11,50500,50500,11,50556,50556,11,50612,50612,11,50668,50668,11,50724,50724,11,50780,50780,11,50836,50836,11,50892,50892,11,50948,50948,11,51004,51004,11,51060,51060,11,51116,51116,11,51172,51172,11,51228,51228,11,51284,51284,11,51340,51340,11,51396,51396,11,51452,51452,11,51508,51508,11,51564,51564,11,51620,51620,11,51676,51676,11,51732,51732,11,51788,51788,11,51844,51844,11,51900,51900,11,51956,51956,11,52012,52012,11,52068,52068,11,52124,52124,11,52180,52180,11,52236,52236,11,52292,52292,11,52348,52348,11,52404,52404,11,52460,52460,11,52516,52516,11,52572,52572,11,52628,52628,11,52684,52684,11,52740,52740,11,52796,52796,11,52852,52852,11,52908,52908,11,52964,52964,11,53020,53020,11,53076,53076,11,53132,53132,11,53188,53188,11,53244,53244,11,53300,53300,11,53356,53356,11,53412,53412,11,53468,53468,11,53524,53524,11,53580,53580,11,53636,53636,11,53692,53692,11,53748,53748,11,53804,53804,11,53860,53860,11,53916,53916,11,53972,53972,11,54028,54028,11,54084,54084,11,54140,54140,11,54196,54196,11,54252,54252,11,54308,54308,11,54364,54364,11,54420,54420,11,54476,54476,11,54532,54532,11,54588,54588,11,54644,54644,11,54700,54700,11,54756,54756,11,54812,54812,11,54868,54868,11,54924,54924,11,54980,54980,11,55036,55036,11,55092,55092,11,55148,55148,11,55216,55238,9,65056,65071,5,65529,65531,4,68097,68099,5,68159,68159,5,69446,69456,5,69688,69702,5,69808,69810,7,69815,69816,7,69821,69821,1,69888,69890,5,69932,69932,7,69957,69958,7,70016,70017,5,70067,70069,7,70079,70080,7,70089,70092,5,70095,70095,5,70191,70193,5,70196,70196,5,70198,70199,5,70367,70367,5,70371,70378,5,70402,70403,7,70462,70462,5,70464,70464,5,70471,70472,7,70487,70487,5,70502,70508,5,70709,70711,7,70720,70721,7,70725,70725,7,70750,70750,5,70833,70834,7,70841,70841,7,70843,70844,7,70846,70846,7,70849,70849,7,71087,71087,5,71090,71093,5,71100,71101,5,71103,71104,5,71216,71218,7,71227,71228,7,71230,71230,7,71339,71339,5,71341,71341,5,71344,71349,5,71351,71351,5,71456,71457,7,71462,71462,7,71724,71726,7,71736,71736,7,71984,71984,5,71991,71992,7,71997,71997,7,71999,71999,1,72001,72001,1,72003,72003,5,72148,72151,5,72156,72159,7,72164,72164,7,72243,72248,5,72250,72250,1,72263,72263,5,72279,72280,7,72324,72329,1,72343,72343,7,72751,72751,7,72760,72765,5,72767,72767,5,72873,72873,7,72881,72881,7,72884,72884,7,73009,73014,5,73020,73021,5,73030,73030,1,73098,73102,7,73107,73108,7,73110,73110,7,73459,73460,5,78896,78904,4,92976,92982,5,94033,94087,7,94180,94180,5,113821,113822,5,119141,119141,5,119143,119145,5,119150,119154,5,119163,119170,5,119210,119213,5,121344,121398,5,121461,121461,5,121499,121503,5,122880,122886,5,122907,122913,5,122918,122922,5,123628,123631,5,125252,125258,5,126980,126980,14,127183,127183,14,127245,127247,14,127340,127343,14,127358,127359,14,127377,127386,14,127462,127487,6,127491,127503,14,127535,127535,14,127548,127551,14,127568,127569,14,127744,127777,14,127780,127891,14,127894,127895,14,127897,127899,14,127902,127984,14,127987,127989,14,127991,127994,14,128000,128253,14,128255,128317,14,128329,128334,14,128336,128359,14,128367,128368,14,128371,128377,14,128379,128390,14,128392,128393,14,128398,128399,14,128401,128404,14,128407,128419,14,128421,128421,14,128424,128424,14,128433,128434,14,128444,128444,14,128450,128452,14,128465,128467,14,128476,128478,14,128481,128481,14,128483,128483,14,128488,128488,14,128495,128495,14,128499,128499,14,128506,128591,14,128710,128714,14,128721,128722,14,128725,128725,14,128728,128735,14,128742,128744,14,128746,128746,14,128749,128751,14,128753,128754,14,128756,128758,14,128761,128761,14,128763,128764,14,128884,128895,14,128992,129003,14,129036,129039,14,129114,129119,14,129198,129279,14,129293,129295,14,129305,129310,14,129312,129319,14,129328,129328,14,129331,129338,14,129343,129343,14,129351,129355,14,129357,129359,14,129375,129387,14,129393,129393,14,129395,129398,14,129401,129401,14,129403,129403,14,129408,129412,14,129426,129431,14,129443,129444,14,129451,129453,14,129456,129465,14,129472,129472,14,129475,129482,14,129484,129484,14,129488,129510,14,129536,129647,14,129652,129652,14,129656,129658,14,129664,129666,14,129671,129679,14,129686,129704,14,129712,129718,14,129728,129730,14,129744,129750,14,917504,917504,4,917506,917535,4,917632,917759,4,918000,921599,4,0,9,4,11,12,4,14,31,4,169,169,14,174,174,14,1155,1159,5,1425,1469,5,1473,1474,5,1479,1479,5,1552,1562,5,1611,1631,5,1750,1756,5,1759,1764,5,1770,1773,5,1809,1809,5,1958,1968,5,2045,2045,5,2075,2083,5,2089,2093,5,2259,2273,5,2275,2306,5,2362,2362,5,2364,2364,5,2369,2376,5,2381,2381,5,2385,2391,5,2433,2433,5,2492,2492,5,2495,2496,7,2503,2504,7,2509,2509,5,2530,2531,5,2561,2562,5,2620,2620,5,2625,2626,5,2635,2637,5,2672,2673,5,2689,2690,5,2748,2748,5,2753,2757,5,2761,2761,7,2765,2765,5,2810,2815,5,2818,2819,7,2878,2878,5,2880,2880,7,2887,2888,7,2893,2893,5,2903,2903,5,2946,2946,5,3007,3007,7,3009,3010,7,3018,3020,7,3031,3031,5,3073,3075,7,3134,3136,5,3142,3144,5,3157,3158,5,3201,3201,5,3260,3260,5,3263,3263,5,3266,3266,5,3270,3270,5,3274,3275,7,3285,3286,5,3328,3329,5,3387,3388,5,3391,3392,7,3398,3400,7,3405,3405,5,3415,3415,5,3457,3457,5,3530,3530,5,3536,3537,7,3542,3542,5,3551,3551,5,3633,3633,5,3636,3642,5,3761,3761,5,3764,3772,5,3864,3865,5,3895,3895,5,3902,3903,7,3967,3967,7,3974,3975,5,3993,4028,5,4141,4144,5,4146,4151,5,4155,4156,7,4182,4183,7,4190,4192,5,4226,4226,5,4229,4230,5,4253,4253,5,4448,4519,9,4957,4959,5,5938,5940,5,6002,6003,5,6070,6070,7,6078,6085,7,6087,6088,7,6109,6109,5,6158,6158,4,6313,6313,5,6435,6438,7,6441,6443,7,6450,6450,5,6457,6459,5,6681,6682,7,6741,6741,7,6743,6743,7,6752,6752,5,6757,6764,5,6771,6780,5,6832,6845,5,6847,6848,5,6916,6916,7,6965,6965,5,6971,6971,7,6973,6977,7,6979,6980,7,7040,7041,5,7073,7073,7,7078,7079,7,7082,7082,7,7142,7142,5,7144,7145,5,7149,7149,5,7151,7153,5,7204,7211,7,7220,7221,7,7376,7378,5,7393,7393,7,7405,7405,5,7415,7415,7,7616,7673,5,8203,8203,4,8205,8205,13,8232,8232,4,8234,8238,4,8265,8265,14,8293,8293,4,8400,8412,5,8417,8417,5,8421,8432,5,8505,8505,14,8617,8618,14,9000,9000,14,9167,9167,14,9208,9210,14,9642,9643,14,9664,9664,14,9728,9732,14,9735,9741,14,9743,9744,14,9746,9746,14,9750,9751,14,9753,9756,14,9758,9759,14,9761,9761,14,9764,9765,14,9767,9769,14,9771,9773,14,9776,9783,14,9787,9791,14,9793,9793,14,9795,9799,14,9812,9822,14,9824,9824,14,9827,9827,14,9829,9830,14,9832,9832,14,9851,9851,14,9854,9854,14,9856,9861,14,9874,9876,14,9878,9879,14,9881,9881,14,9883,9884,14,9888,9889,14,9895,9895,14,9898,9899,14,9904,9905,14,9917,9918,14,9924,9925,14,9928,9928,14,9934,9935,14,9937,9937,14,9939,9940,14,9961,9962,14,9968,9973,14,9975,9978,14,9981,9981,14,9986,9986,14,9989,9989,14,9998,9998,14,10000,10001,14,10004,10004,14,10013,10013,14,10024,10024,14,10052,10052,14,10060,10060,14,10067,10069,14,10083,10084,14,10133,10135,14,10160,10160,14,10548,10549,14,11035,11036,14,11093,11093,14,11647,11647,5,12330,12333,5,12336,12336,14,12441,12442,5,12953,12953,14,42608,42610,5,42654,42655,5,43010,43010,5,43019,43019,5,43045,43046,5,43052,43052,5,43188,43203,7,43232,43249,5,43302,43309,5,43346,43347,7,43392,43394,5,43443,43443,5,43446,43449,5,43452,43453,5,43493,43493,5,43567,43568,7,43571,43572,7,43587,43587,5,43597,43597,7,43696,43696,5,43703,43704,5,43713,43713,5,43756,43757,5,43765,43765,7,44003,44004,7,44006,44007,7,44009,44010,7,44013,44013,5,44033,44059,12,44061,44087,12,44089,44115,12,44117,44143,12,44145,44171,12,44173,44199,12,44201,44227,12,44229,44255,12,44257,44283,12,44285,44311,12,44313,44339,12,44341,44367,12,44369,44395,12,44397,44423,12,44425,44451,12,44453,44479,12,44481,44507,12,44509,44535,12,44537,44563,12,44565,44591,12,44593,44619,12,44621,44647,12,44649,44675,12,44677,44703,12,44705,44731,12,44733,44759,12,44761,44787,12,44789,44815,12,44817,44843,12,44845,44871,12,44873,44899,12,44901,44927,12,44929,44955,12,44957,44983,12,44985,45011,12,45013,45039,12,45041,45067,12,45069,45095,12,45097,45123,12,45125,45151,12,45153,45179,12,45181,45207,12,45209,45235,12,45237,45263,12,45265,45291,12,45293,45319,12,45321,45347,12,45349,45375,12,45377,45403,12,45405,45431,12,45433,45459,12,45461,45487,12,45489,45515,12,45517,45543,12,45545,45571,12,45573,45599,12,45601,45627,12,45629,45655,12,45657,45683,12,45685,45711,12,45713,45739,12,45741,45767,12,45769,45795,12,45797,45823,12,45825,45851,12,45853,45879,12,45881,45907,12,45909,45935,12,45937,45963,12,45965,45991,12,45993,46019,12,46021,46047,12,46049,46075,12,46077,46103,12,46105,46131,12,46133,46159,12,46161,46187,12,46189,46215,12,46217,46243,12,46245,46271,12,46273,46299,12,46301,46327,12,46329,46355,12,46357,46383,12,46385,46411,12,46413,46439,12,46441,46467,12,46469,46495,12,46497,46523,12,46525,46551,12,46553,46579,12,46581,46607,12,46609,46635,12,46637,46663,12,46665,46691,12,46693,46719,12,46721,46747,12,46749,46775,12,46777,46803,12,46805,46831,12,46833,46859,12,46861,46887,12,46889,46915,12,46917,46943,12,46945,46971,12,46973,46999,12,47001,47027,12,47029,47055,12,47057,47083,12,47085,47111,12,47113,47139,12,47141,47167,12,47169,47195,12,47197,47223,12,47225,47251,12,47253,47279,12,47281,47307,12,47309,47335,12,47337,47363,12,47365,47391,12,47393,47419,12,47421,47447,12,47449,47475,12,47477,47503,12,47505,47531,12,47533,47559,12,47561,47587,12,47589,47615,12,47617,47643,12,47645,47671,12,47673,47699,12,47701,47727,12,47729,47755,12,47757,47783,12,47785,47811,12,47813,47839,12,47841,47867,12,47869,47895,12,47897,47923,12,47925,47951,12,47953,47979,12,47981,48007,12,48009,48035,12,48037,48063,12,48065,48091,12,48093,48119,12,48121,48147,12,48149,48175,12,48177,48203,12,48205,48231,12,48233,48259,12,48261,48287,12,48289,48315,12,48317,48343,12,48345,48371,12,48373,48399,12,48401,48427,12,48429,48455,12,48457,48483,12,48485,48511,12,48513,48539,12,48541,48567,12,48569,48595,12,48597,48623,12,48625,48651,12,48653,48679,12,48681,48707,12,48709,48735,12,48737,48763,12,48765,48791,12,48793,48819,12,48821,48847,12,48849,48875,12,48877,48903,12,48905,48931,12,48933,48959,12,48961,48987,12,48989,49015,12,49017,49043,12,49045,49071,12,49073,49099,12,49101,49127,12,49129,49155,12,49157,49183,12,49185,49211,12,49213,49239,12,49241,49267,12,49269,49295,12,49297,49323,12,49325,49351,12,49353,49379,12,49381,49407,12,49409,49435,12,49437,49463,12,49465,49491,12,49493,49519,12,49521,49547,12,49549,49575,12,49577,49603,12,49605,49631,12,49633,49659,12,49661,49687,12,49689,49715,12,49717,49743,12,49745,49771,12,49773,49799,12,49801,49827,12,49829,49855,12,49857,49883,12,49885,49911,12,49913,49939,12,49941,49967,12,49969,49995,12,49997,50023,12,50025,50051,12,50053,50079,12,50081,50107,12,50109,50135,12,50137,50163,12,50165,50191,12,50193,50219,12,50221,50247,12,50249,50275,12,50277,50303,12,50305,50331,12,50333,50359,12,50361,50387,12,50389,50415,12,50417,50443,12,50445,50471,12,50473,50499,12,50501,50527,12,50529,50555,12,50557,50583,12,50585,50611,12,50613,50639,12,50641,50667,12,50669,50695,12,50697,50723,12,50725,50751,12,50753,50779,12,50781,50807,12,50809,50835,12,50837,50863,12,50865,50891,12,50893,50919,12,50921,50947,12,50949,50975,12,50977,51003,12,51005,51031,12,51033,51059,12,51061,51087,12,51089,51115,12,51117,51143,12,51145,51171,12,51173,51199,12,51201,51227,12,51229,51255,12,51257,51283,12,51285,51311,12,51313,51339,12,51341,51367,12,51369,51395,12,51397,51423,12,51425,51451,12,51453,51479,12,51481,51507,12,51509,51535,12,51537,51563,12,51565,51591,12,51593,51619,12,51621,51647,12,51649,51675,12,51677,51703,12,51705,51731,12,51733,51759,12,51761,51787,12,51789,51815,12,51817,51843,12,51845,51871,12,51873,51899,12,51901,51927,12,51929,51955,12,51957,51983,12,51985,52011,12,52013,52039,12,52041,52067,12,52069,52095,12,52097,52123,12,52125,52151,12,52153,52179,12,52181,52207,12,52209,52235,12,52237,52263,12,52265,52291,12,52293,52319,12,52321,52347,12,52349,52375,12,52377,52403,12,52405,52431,12,52433,52459,12,52461,52487,12,52489,52515,12,52517,52543,12,52545,52571,12,52573,52599,12,52601,52627,12,52629,52655,12,52657,52683,12,52685,52711,12,52713,52739,12,52741,52767,12,52769,52795,12,52797,52823,12,52825,52851,12,52853,52879,12,52881,52907,12,52909,52935,12,52937,52963,12,52965,52991,12,52993,53019,12,53021,53047,12,53049,53075,12,53077,53103,12,53105,53131,12,53133,53159,12,53161,53187,12,53189,53215,12,53217,53243,12,53245,53271,12,53273,53299,12,53301,53327,12,53329,53355,12,53357,53383,12,53385,53411,12,53413,53439,12,53441,53467,12,53469,53495,12,53497,53523,12,53525,53551,12,53553,53579,12,53581,53607,12,53609,53635,12,53637,53663,12,53665,53691,12,53693,53719,12,53721,53747,12,53749,53775,12,53777,53803,12,53805,53831,12,53833,53859,12,53861,53887,12,53889,53915,12,53917,53943,12,53945,53971,12,53973,53999,12,54001,54027,12,54029,54055,12,54057,54083,12,54085,54111,12,54113,54139,12,54141,54167,12,54169,54195,12,54197,54223,12,54225,54251,12,54253,54279,12,54281,54307,12,54309,54335,12,54337,54363,12,54365,54391,12,54393,54419,12,54421,54447,12,54449,54475,12,54477,54503,12,54505,54531,12,54533,54559,12,54561,54587,12,54589,54615,12,54617,54643,12,54645,54671,12,54673,54699,12,54701,54727,12,54729,54755,12,54757,54783,12,54785,54811,12,54813,54839,12,54841,54867,12,54869,54895,12,54897,54923,12,54925,54951,12,54953,54979,12,54981,55007,12,55009,55035,12,55037,55063,12,55065,55091,12,55093,55119,12,55121,55147,12,55149,55175,12,55177,55203,12,55243,55291,10,65024,65039,5,65279,65279,4,65520,65528,4,66045,66045,5,66422,66426,5,68101,68102,5,68152,68154,5,68325,68326,5,69291,69292,5,69632,69632,7,69634,69634,7,69759,69761,5]');
}

//#endregion