@sutton-signwriting/core
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a javascript package for node and browsers that supports general processing of the Sutton SignWriting script
3,957 lines • 124 kB
JavaScript
/**
* Sutton SignWriting Core Module v2.0.0 (https://github.com/sutton-signwriting/core)
* Author: Steve Slevinski (https://SteveSlevinski.me)
* core.cjs is released under the MIT License.
*/
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
/**
* Object of regular expressions for FSW strings
*
* @alias fsw.re
* @property {string} null - the null symbol
* @property {string} symbol - a symbol
* @property {string} nullorsymbol - null or a symbol
* @property {string} sort - the sorting marker
* @property {string} prefix - a sorting marker followed by one or more symbols with nulls
* @property {string} box - a signbox marker
* @property {string} coord - a coordinate
* @property {string} spatial - a symbol followed by a coordinate
* @property {string} signbox - a signbox marker, max coordinate and zero or more spatial symbols
* @property {string} sign - an optional prefix followed by a signbox
* @property {string} sortable - a mandatory prefix followed by a signbox
*/
let re$4 = {
'null': 'S00000',
'symbol': 'S[123][0-9a-f]{2}[0-5][0-9a-f]',
'coord': '[0-9]{3}x[0-9]{3}',
'sort': 'A',
'box': '[BLMR]'
};
re$4.nullorsymbol = `(?:${re$4.null}|${re$4.symbol})`;
re$4.prefix = `(?:${re$4.sort}${re$4.nullorsymbol}+)`;
re$4.spatial = `${re$4.symbol}${re$4.coord}`;
re$4.signbox = `${re$4.box}${re$4.coord}(?:${re$4.spatial})*`;
re$4.sign = `${re$4.prefix}?${re$4.signbox}`;
re$4.sortable = `${re$4.prefix}${re$4.signbox}`;
/**
* Object of regular expressions for style strings
*
* @alias style.re
* @type {object}
* @property {string} colorize - regular expression for colorize section
* @property {string} colorhex - regular expression for color hex values with 3 or 6 characters
* @property {string} colorname - regular expression for css color name
* @property {string} padding - regular expression for padding section
* @property {string} zoom - regular expression for zoom section
* @property {string} classbase - regular expression for class name definition
* @property {string} id - regular expression for id definition
* @property {string} colorbase - regular expression for color hex or color name
* @property {string} color - regular expression for single color entry
* @property {string} colors - regular expression for double color entry
* @property {string} background - regular expression for background section
* @property {string} detail - regular expression for color details for line and optional fill
* @property {string} detailsym - regular expression for color details for individual symbols
* @property {string} classes - regular expression for one or more class names
* @property {string} full - full regular expression for style string
*/
let re$3 = {
'colorize': 'C',
'colorhex': '(?:[0-9a-fA-F]{3}){1,2}',
'colorname': '[a-zA-Z]+',
'padding': 'P[0-9]{2}',
'zoom': 'Z(?:[0-9]+(?:\\.[0-9]+)?|x)',
'classbase': '-?[_a-zA-Z][_a-zA-Z0-9-]{0,100}',
'id': '[a-zA-Z][_a-zA-Z0-9-]{0,100}'
};
re$3.colorbase = `(?:${re$3.colorhex}|${re$3.colorname})`;
re$3.color = `_${re$3.colorbase}_`;
re$3.colors = `_${re$3.colorbase}(?:,${re$3.colorbase})?_`;
re$3.background = `G${re$3.color}`;
re$3.detail = `D${re$3.colors}`;
re$3.detailsym = `D[0-9]{2}${re$3.colors}`;
re$3.classes = `${re$3.classbase}(?: ${re$3.classbase})*`;
re$3.full = `-(${re$3.colorize})?(${re$3.padding})?(${re$3.background})?(${re$3.detail})?(${re$3.zoom})?(?:-((?:${re$3.detailsym})*))?(?:-(${re$3.classes})?!(?:(${re$3.id})!)?)?`;
const prefixColor = color => {
const regex = new RegExp(`^${re$3.colorhex}$`);
return (regex.test(color) ? '#' : '') + color;
};
const definedProps = obj => Object.fromEntries(Object.entries(obj).filter(([k, v]) => v !== undefined));
/**
* Function to parse style string to object
* @function style.parse
* @param {string} styleString - a style string
* @returns {StyleObject} elements of style string
* @example
* style.parse('-CP10G_blue_D_red,Cyan_')
*
* return {
* 'colorize': true,
* 'padding': 10,
* 'background': 'blue',
* 'detail': ['red', 'Cyan']
* }
*/
const parse$4 = styleString => {
const regex = `^${re$3.full}`;
const m = (typeof styleString === 'string' ? styleString.match(new RegExp(regex)) : []) || [];
return definedProps({
'colorize': !m[1] ? undefined : !!m[1],
'padding': !m[2] ? undefined : parseInt(m[2].slice(1)),
'background': !m[3] ? undefined : prefixColor(m[3].slice(2, -1)),
'detail': !m[4] ? undefined : m[4].slice(2, -1).split(',').map(prefixColor),
'zoom': !m[5] ? undefined : m[5] === 'Zx' ? 'x' : parseFloat(m[5].slice(1)),
'detailsym': !m[6] ? undefined : m[6].match(new RegExp(re$3.detailsym, 'g')).map(val => {
const parts = val.split('_');
const detail = parts[1].split(',').map(prefixColor);
return {
'index': parseInt(parts[0].slice(1)),
'detail': detail
};
}),
'classes': !m[7] ? undefined : m[7],
'id': !m[8] ? undefined : m[8]
});
};
/**
* Function to compose style string from object
* @function style.compose
* @param {StyleObject} styleObject - an object of style options
* @returns {string} style string
* @example
* style.compose({
* 'colorize': true,
* 'padding': 10,
* 'background': 'blue',
* 'detail': ['red', 'Cyan'],
* 'zoom': 1.1,
* 'detailsym': [
* {
* 'index': 1,
* 'detail': ['#ff00ff']
* },
* {
* 'index': 2,
* 'detail': ['yellow', 'green']
* }
* ],
* 'classes': 'primary blinking',
* 'id': 'cursor'
* })
*
* return '-CP10G_blue_D_red,Cyan_Z1.1-D01_ff00ff_D02_yellow,green_-primary blinking!cursor!'
*/
const compose$4 = styleObject => {
if (typeof styleObject !== 'object' || styleObject === null) return undefined;
// three sections
let style1 = '-';
style1 += !styleObject.colorize ? '' : 'C';
const padding = parseInt(styleObject.padding);
style1 += !padding || padding <= 0 || padding > 99 ? '' : 'P' + (padding > 9 ? padding : '0' + padding);
const background = !styleObject.background || !(typeof styleObject.background === 'string') ? undefined : styleObject.background.match(re$3.colorbase)[0];
style1 += !background ? '' : 'G_' + background + '_';
const detail1 = !styleObject.detail || !styleObject.detail[0] || !(typeof styleObject.detail[0] === 'string') ? undefined : styleObject.detail[0].match(re$3.colorbase)[0];
const detail2 = !styleObject.detail || !styleObject.detail[1] || !(typeof styleObject.detail[1] === 'string') ? undefined : styleObject.detail[1].match(re$3.colorbase)[0];
if (detail1) {
style1 += 'D_' + detail1;
if (detail2) {
style1 += ',' + detail2;
}
style1 += '_';
}
const zoom = styleObject.zoom === 'x' ? 'x' : parseFloat(styleObject.zoom);
style1 += !zoom || zoom <= 0 ? '' : 'Z' + zoom;
let style2 = '';
const detailsym = !styleObject.detailsym || !Array.isArray(styleObject.detailsym) ? [] : styleObject.detailsym.map(styleObject => {
const index = parseInt(styleObject.index);
if (!index || index <= 0 || index > 99) return '';
let style = 'D' + (index > 9 ? index : '0' + index);
const detail1 = !styleObject.detail || !styleObject.detail[0] ? undefined : styleObject.detail[0].match(re$3.colorbase)[0];
const detail2 = !styleObject.detail || !styleObject.detail[1] ? undefined : styleObject.detail[1].match(re$3.colorbase)[0];
if (detail1) {
style += '_' + detail1;
if (detail2) {
style += ',' + detail2;
}
style += '_';
}
return style;
});
style2 += detailsym.join('');
let style3 = '';
const classes = !styleObject.classes || !(typeof styleObject.classes === 'string') ? undefined : styleObject.classes.match(re$3.classes)[0];
style3 += !classes ? '' : classes;
const id = !styleObject.id || !(typeof styleObject.id === 'string') ? undefined : styleObject.id.match(re$3.id)[0];
style3 += classes || id ? '!' : '';
style3 += !id ? '' : id + '!';
return style1 + (style2 || style3 ? '-' + style2 : '') + (style3 ? '-' + style3 : '');
};
/**
* Function to merge style objects
* @function style.merge
* @param {StyleObject} style1 - a style object
* @param {StyleObject} style2 - a style object
* @returns {StyleObject} a style object
* @example
* style.merge({'colorize': true},{zoom:2})
*
* return {
* 'colorize': true,
* 'zoom': 2
* }
*/
const merge = (style1, style2) => {
if (typeof style1 !== 'object') style1 = {};
if (typeof style2 !== 'object') style2 = {};
const zoom1 = 'zoom' in style1 ? style1['zoom'] : 1;
const zoom2 = 'zoom' in style2 ? style2['zoom'] : 1;
return {
...style1,
...style2,
...{
zoom: zoom1 * zoom2
}
};
};
const rgb2arr = rgb => {
if (typeof rgb !== 'string') return [0, 0, 0];
return rgb.replace(/rgba?\((.+?)\)/ig, (_, values) => {
return values;
}).split(',').map(Number);
};
const arr2hex = arr => {
return arr.slice(0, 3).map(num => num.toString(16).padStart(2, '0')).join('');
};
/**
* Function to convert rgb color to hex or "transparent" if below tolerance
* @function style.rgb2hex
* @param {string} rgb - an rgb color
* @param {number} [tolerance=0] - max alpha for full transparency
* @returns {string} a hex color or "transparent"
* @example
* style.rgb2hex("rgb(255,255,255)")
* return "ffffff"
*
* style.rgb2hex("rgba(255,255,255,0.5)",0.5)
* return "transparent"
*/
const rgb2hex = (rgb, tolerance = 0) => {
const arr = rgb2arr(rgb);
if (arr.length == 4 && arr[3] <= tolerance) {
return 'transparent';
} else {
return arr2hex(arr);
}
};
/**
* Function to merge color with background based on alpha transparency
* @function style.rgba2hex
* @param {string} color - an rgba color
* @param {string} background - an rgba background color
* @returns {string} a hex color or "transparent"
* @example
* style.rgba2hex("rgba(255,255,255,0.5)","rgb(0,0,0)")
*
* return "7f7f7f"
*/
const rgba2hex = (color, background) => {
const bArr = rgb2arr(background);
const cArr = rgb2arr(color);
const alpha = cArr.length == 4 ? cArr[3] : 1;
if (alpha == 0) {
return 'transparent';
} else {
return arr2hex(cArr.map((v, i) => parseInt((1 - alpha) * bArr[i] + alpha * v)));
}
};
/** The style module contains regular expressions and functions for parsing and composing style strings.
* [Style string definition](https://tools.ietf.org/id/draft-slevinski-formal-signwriting-09.html#name-styling-string)
* @module style
*/
var index$5 = /*#__PURE__*/Object.freeze({
__proto__: null,
re: re$3,
parse: parse$4,
compose: compose$4,
merge: merge,
rgb2hex: rgb2hex,
rgba2hex: rgba2hex
});
/**
* Object of regular expressions for SWU strings in UTF-16
*
* @alias swu.re
* @property {string} null - the null symbol
* @property {string} symbol - a symbol
* @property {string} nullorsymbol - null or a symbol
* @property {string} sort - the sorting marker
* @property {string} prefix - a sorting marker followed by one or more symbols with nulls
* @property {string} box - a signbox marker
* @property {string} coord - a coordinate
* @property {string} spatial - a symbol followed by a coordinate
* @property {string} signbox - a signbox marker, max coordinate and zero or more spatial symbols
* @property {string} sign - an optional prefix followed by a signbox
* @property {string} sortable - a mandatory prefix followed by a signbox
*/
let re$2 = {
'null': '\uD8C0\uDC00',
'symbol': '(?:(?:\uD8C0[\uDC01-\uDFFF])|(?:[\uD8C1-\uD8FC][\uDC00-\uDFFF])|(?:\uD8FD[\uDC00-\uDC80]))',
'coord': '(?:\uD836[\uDC0C-\uDDFF]){2}',
'sort': '\uD836\uDC00',
'box': '\uD836[\uDC01-\uDC04]'
};
re$2.nullorsymbol = `(?:${re$2.null}|${re$2.symbol})`;
re$2.prefix = `(?:${re$2.sort}(?:${re$2.nullorsymbol})+)`;
re$2.spatial = `${re$2.symbol}${re$2.coord}`;
re$2.signbox = `${re$2.box}${re$2.coord}(?:${re$2.spatial})*`;
re$2.sign = `${re$2.prefix}?${re$2.signbox}`;
re$2.sortable = `${re$2.prefix}${re$2.signbox}`;
/**
* An array of symbol IDs in minimized format such as "101011"
*
* @alias convert.symidArr
* @type {string[]}
*/
const symidArr = ["101011", "101021", "101031", "101041", "101051", "101061", "101071", "101081", "101091", "101101", "101111", "101121", "101131", "101141", "102011", "102021", "102031", "102041", "102051", "102061", "102071", "102081", "102091", "102101", "102111", "102121", "102131", "102141", "102151", "102161", "103011", "103021", "103031", "103041", "103051", "103061", "103071", "103081", "103091", "103101", "103111", "103121", "103131", "103141", "103151", "103161", "103171", "103181", "103191", "103201", "103211", "103221", "103231", "103241", "103251", "103261", "103271", "103281", "103291", "103301", "103311", "103321", "103331", "103341", "103351", "103361", "103371", "103381", "104011", "104021", "104031", "104041", "104051", "104061", "104071", "104081", "105011", "105021", "105031", "105041", "105051", "105061", "105071", "105081", "105091", "105101", "105111", "105121", "105131", "105141", "105151", "105161", "105171", "105181", "105191", "105201", "105211", "105221", "105231", "105241", "105251", "105261", "105271", "105281", "105291", "105301", "105311", "105321", "105331", "105341", "105351", "105361", "105371", "105381", "105391", "105401", "105411", "105421", "105431", "105441", "105451", "105461", "105471", "105481", "105491", "105501", "105511", "105521", "105531", "105541", "105551", "105561", "105571", "105581", "106011", "106021", "106031", "106041", "106051", "106061", "106071", "106081", "106091", "106101", "106111", "106121", "106131", "106141", "106151", "106161", "106171", "106181", "106191", "106201", "106211", "106221", "106231", "106241", "106251", "106261", "106271", "106281", "106291", "106301", "107011", "107021", "107031", "107041", "107051", "107061", "107071", "107081", "107091", "107101", "107111", "107121", "107131", "107141", "107151", "107161", "107171", "107181", "107191", "107201", "107211", "107221", "108011", "108021", "108031", "108041", "108051", "108061", "108071", "108081", "108091", "108101", "108111", "108121", "108131", "108141", "108151", "108161", "108171", "108181", "108191", "109011", "109021", "109031", "109041", "109051", "109061", "109071", "109081", "109091", "109101", "109111", "109121", "109131", "109141", "109151", "109161", "109171", "109181", "109191", "109201", "109211", "109221", "109231", "109241", "109251", "109261", "109271", "109281", "109291", "109301", "109311", "109321", "109331", "109341", "109351", "109361", "109371", "109381", "109391", "109401", "110011", "110021", "110031", "110041", "110051", "110061", "110071", "110081", "110091", "110101", "110111", "110121", "110131", "110141", "110151", "110161", "201011", "201021", "201031", "201041", "201051", "201061", "201071", "201081", "201091", "201101", "201111", "201121", "201131", "201141", "201151", "201161", "201171", "202011", "202012", "202021", "202022", "202031", "202041", "202042", "202051", "202052", "202061", "202071", "202081", "202082", "202091", "202092", "202101", "202102", "202111", "202121", "202131", "203011", "203012", "203013", "203014", "203015", "203021", "203022", "203031", "203032", "203041", "203051", "203052", "203061", "203062", "203071", "203072", "203073", "203081", "203082", "203083", "203084", "203091", "203092", "203093", "203101", "203102", "203103", "203111", "203112", "203113", "203121", "203122", "203123", "203131", "203141", "203151", "203161", "203171", "203181", "203191", "203201", "203202", "203203", "204011", "204012", "204013", "204014", "204021", "204022", "204023", "204024", "204031", "204032", "204033", "204034", "204041", "204042", "204043", "204044", "205011", "205012", "205013", "205014", "205015", "205021", "205022", "205031", "205032", "205041", "205051", "205052", "205061", "205062", "205071", "205081", "205082", "205083", "205091", "205101", "205102", "205103", "205111", "205112", "205113", "205121", "205122", "205123", "205131", "205141", "205151", "205161", "205171", "205181", "205191", "206011", "206012", "206013", "206014", "206021", "206022", "206023", "206024", "206031", "206032", "206041", "206042", "206043", "206051", "206052", "206053", "206054", "206061", "206062", "206063", "206064", "206065", "206066", "206071", "206072", "206073", "206081", "206091", "206101", "206111", "207011", "207021", "207031", "207041", "207051", "207061", "207071", "207091", "207101", "207111", "207121", "207131", "207141", "207151", "207161", "207162", "207163", "208011", "208012", "208021", "208022", "208023", "208024", "208031", "208032", "208033", "208034", "208041", "208042", "208051", "208061", "208071", "208081", "208082", "208091", "208092", "208093", "208094", "208101", "208102", "208103", "208104", "208111", "208112", "208121", "208131", "208141", "209011", "209012", "209013", "209014", "209015", "209021", "209031", "209041", "209042", "209043", "209051", "209061", "209071", "209081", "210011", "210012", "210021", "210022", "210031", "210032", "210033", "210041", "210042", "210043", "210051", "210052", "210061", "210062", "210071", "210072", "210073", "210074", "210081", "210082", "301011", "301021", "301031", "301032", "301041", "301042", "301043", "301044", "401011", "401021", "401031", "401041", "401051", "401061", "401071", "401081", "401091", "401101", "401102", "402011", "402012", "402013", "402021", "402022", "402023", "402024", "402031", "402032", "402033", "402041", "402042", "402043", "402044", "402045", "402051", "402052", "402053", "402054", "402055", "402061", "402062", "402063", "402071", "402072", "402073", "402081", "402082", "402083", "402091", "402101", "402111", "403011", "403012", "403013", "403021", "403022", "403023", "403031", "403041", "403042", "403043", "403044", "403051", "403052", "403061", "403062", "403071", "403072", "404011", "404012", "404013", "404021", "404022", "404023", "404031", "404032", "404033", "404041", "404042", "404043", "404051", "404052", "404053", "404061", "404062", "404063", "404071", "404072", "404073", "404081", "404082", "404083", "404091", "404092", "404093", "404101", "404111", "404112", "405011", "405012", "405013", "405014", "405015", "405021", "405031", "405041", "405051", "405052", "405061", "405062", "405071", "405072", "405081", "405091", "405101", "405111", "405121", "405131", "501011", "501021", "501031", "501041", "501051", "501061", "501071", "501081", "501091", "502011", "502021", "502022", "502023", "502024", "502031", "502032", "502033", "502041", "601011", "601012", "601021", "601031", "601041", "601051", "601061", "601071", "701011", "701012", "701021", "701022", "701031"];
/** The convert module contains functions to convert between Formal SignWriitng in ASCII (FSW) and SignWriting in Unicode (SWU) characters, along with other types of data.
* [Characters set definitions](https://tools.ietf.org/id/draft-slevinski-formal-signwriting-09.html#name-characters)
* @module convert
*/
/**
* Function to convert an SWU structural marker to FSW equivalent
* @function convert.swu2mark
* @param {string} swuMark - character for SWU structural marker
* @returns {string} FSW structural marker
* @example
* convert.swu2mark('𝠀')
*
* return 'A'
*/
const swu2mark = swuMark => {
return {
'𝠀': 'A',
'𝠁': 'B',
'𝠂': 'L',
'𝠃': 'M',
'𝠄': 'R'
}[swuMark];
};
/**
* Function to convert an FSW structural marker to SWU equivalent
* @function convert.mark2swu
* @param {string} fswMark - character for FSW structural marker
* @returns {string} SWU structural marker
* @example
* convert.mark2swu('A')
*
* return '𝠀'
*/
const mark2swu = fswMark => {
return {
'A': '𝠀',
'B': '𝠁',
'L': '𝠂',
'M': '𝠃',
'R': '𝠄'
}[fswMark];
};
/**
* Function to convert an SWU number character to an integer
* @function convert.swu2num
* @param {string} swuNum - SWU number character
* @returns {number} Integer value for number
* @example
* convert.swu2num('𝤆')
*
* return 500
*/
const swu2num = swuNum => parseInt(swuNum.codePointAt(0)) - 0x1D80C + 250;
/**
* Function to convert a number to an SWU number character
* @function convert.num2swu
* @param {number} num - Integer value for number
* @returns {string} SWU number character
* @example
* convert.num2swu(500)
*
* return '𝤆'
*/
const num2swu = num => String.fromCodePoint(0x1D80C + parseInt(num) - 250);
/**
* Function to convert two SWU number characters to an array of x,y integers
* @function convert.swu2coord
* @param {string} swuCoord - Two SWU number character
* @returns {number[]} Array of x,y integers
* @example
* convert.swu2coord('𝤆𝤆')
*
* return [500, 500]
*/
const swu2coord = swuCoord => [swu2num(swuCoord.slice(0, 2)), swu2num(swuCoord.slice(2, 4))];
/**
* Function to convert an array of x,y integers to two SWU number characters
* @function convert.coord2swu
* @param {number[]} coord - Array of x,y integers
* @returns {string} Two SWU number character
* @example
* convert.coord2swu([500, 500])
*
* return '𝤆𝤆'
*/
const coord2swu = coord => coord.map(num => num2swu(num)).join('');
/**
* Function to convert an FSW coordinate string to an array of x,y integers
* @function convert.fsw2coord
* @param {string} fswCoord - An FSW coordinate string
* @returns {number[]} Array of x,y integers
* @example
* convert.fsw2coord('500x500')
*
* return [500, 500]
*/
const fsw2coord = fswCoord => fswCoord.split('x').map(num => parseInt(num));
/**
* Function to convert an array of x,y integers to an FSW coordinate string
* @function convert.coord2fsw
* @param {number[]} coord - Array of x,y integers
* @returns {string} An FSW coordinate string
* @example
* convert.coord2fsw([500, 500])
*
* return '500x500'
*/
const coord2fsw = coord => coord.join('x');
/**
* Function to convert an SWU symbol character to a code point on plane 4
* @function convert.swu2code
* @param {string} swuSym - SWU symbol character
* @returns {number} Code point on plane 4
* @example
* convert.swu2code('')
*
* return 0x40001
*/
const swu2code = swuSym => parseInt(swuSym.codePointAt(0));
/**
* Function to convert a code point on plane 4 to an SWU symbol character
* @function convert.code2swu
* @param {number} code - Code point on plane 4
* @returns {string} SWU symbol character
* @example
* convert.code2swu(0x40001)
*
* return ''
*/
const code2swu = code => String.fromCodePoint(code);
/**
* Function to convert an SWU symbol character to a 16-bit ID
* @function convert.swu2id
* @param {string} swuSym - SWU symbol character
* @returns {number} 16-bit ID
* @example
* convert.swu2id('')
*
* return 1
*/
const swu2id = swuSym => swu2code(swuSym) - 0x40000;
/**
* Function to convert a 16-bit ID to an SWU symbol character
* @function convert.id2swu
* @param {number} id - 16-bit ID
* @returns {string} SWU symbol character
* @example
* convert.id2swu(1)
*
* return ''
*/
const id2swu = id => code2swu(id + 0x40000);
/**
* Function to convert an FSW symbol key to a 16-bit ID
* @function convert.key2id
* @param {string} key - FSW symbol key
* @returns {number} 16-bit ID
* @example
* convert.key2id('S10000')
*
* return 1
*/
const key2id = key => key === "S00000" ? 0 : 1 + (parseInt(key.slice(1, 4), 16) - 256) * 96 + parseInt(key.slice(4, 5), 16) * 16 + parseInt(key.slice(5, 6), 16);
/**
* Function to convert a 16-bit ID to an FSW symbol key
* @function convert.id2key
* @param {number} id - 16-bit ID
* @returns {string} FSW symbol key
* @example
* convert.id2key(1)
*
* return 'S10000'
*/
const id2key = id => {
if (id === 0) {
return "S00000";
}
const symcode = id - 1;
const base = parseInt(symcode / 96);
const fill = parseInt((symcode - base * 96) / 16);
const rotation = parseInt(symcode - base * 96 - fill * 16);
return 'S' + (base + 0x100).toString(16) + fill.toString(16) + rotation.toString(16);
};
/**
* Function to convert an SWU symbol character to an FSW symbol key
* @function convert.swu2key
* @param {string} swuSym - SWU symbol character
* @returns {string} FSW symbol key
* @example
* convert.swu2key('')
*
* return 'S10000'
*/
const swu2key = swuSym => {
if (swuSym === "") {
return "S00000";
}
const symcode = swu2code(swuSym) - 0x40001;
const base = parseInt(symcode / 96);
const fill = parseInt((symcode - base * 96) / 16);
const rotation = parseInt(symcode - base * 96 - fill * 16);
return 'S' + (base + 0x100).toString(16) + fill.toString(16) + rotation.toString(16);
};
/**
* Function to convert an FSW symbol key to an SWU symbol character
* @function convert.key2swu
* @param {string} key - FSW symbol key
* @returns {string} SWU symbol character
* @example
* convert.key2swu('S10000')
*
* return ''
*/
const key2swu = key => {
if (key === "S00000") {
return code2swu(0x40000);
}
return code2swu(0x40001 + (parseInt(key.slice(1, 4), 16) - 256) * 96 + parseInt(key.slice(4, 5), 16) * 16 + parseInt(key.slice(5, 6), 16));
};
/**
* Function to convert SWU text to FSW text
* @function convert.swu2fsw
* @param {string} swuText - SWU text
* @returns {string} FSW text
* @example
* convert.swu2fsw('𝠀𝠃𝤟𝤩𝣵𝤐𝤇𝣤𝤐𝤆𝣮𝣭')
*
* return 'AS10011S10019S2e704S2e748M525x535S2e748483x510S10011501x466S2e704510x500S10019476x475'
*/
const swu2fsw = swuText => {
if (!swuText) return '';
let fsw = swuText.replace(/𝠀/g, "A").replace(/𝠁/g, "B").replace(/𝠂/g, "L").replace(/𝠃/g, "M").replace(/𝠄/g, "R");
const syms = fsw.match(new RegExp(re$2.nullorsymbol, 'g'));
if (syms) {
syms.forEach(function (sym) {
fsw = fsw.replace(sym, swu2key(sym));
});
}
const coords = fsw.match(new RegExp(re$2.coord, 'g'));
if (coords) {
coords.forEach(function (coord) {
fsw = fsw.replace(coord, swu2coord(coord).join('x'));
});
}
return fsw;
};
/**
* Function to convert FSW text to SWU text
* @function convert.fsw2swu
* @param {string} fswText - FSW text
* @returns {string} SWU text
* @example
* convert.fsw2swu('AS10011S10019S2e704S2e748M525x535S2e748483x510S10011501x466S2e704510x500S10019476x475')
*
* return '𝠀𝠃𝤟𝤩𝣵𝤐𝤇𝣤𝤐𝤆𝣮𝣭'
*/
const fsw2swu = fswText => {
if (!fswText) return '';
const prefixes = fswText.match(new RegExp(re$4.prefix, 'g'));
if (prefixes) {
prefixes.forEach(function (prefix) {
fswText = fswText.replace(prefix, '𝠀' + prefix.slice(1).match(/.{6}/g).map(key => key2swu(key)).join(''));
});
}
const boxes = fswText.match(new RegExp(re$4.box + re$4.coord, 'g'));
if (boxes) {
boxes.forEach(function (boxes) {
fswText = fswText.replace(boxes, mark2swu(boxes.slice(0, 1)) + coord2swu(fsw2coord(boxes.slice(1, 8))));
});
}
const spatials = fswText.match(new RegExp(re$4.spatial, 'g'));
if (spatials) {
spatials.forEach(function (spatial) {
fswText = fswText.replace(spatial, key2swu(spatial.slice(0, 6)) + coord2swu(fsw2coord(spatial.slice(6, 13))));
});
}
return fswText;
};
/**
* Function to convert base or full symid Min to symid Max
* @function convert.symidMax
* @param {string} symidMin - Symbol ID minimized
* @returns {string} Symbol ID maximized
* @example
* convert.symidMax('101011')
*
* return '01-01-001-01'
* @example
* convert.symidMax('101011616')
*
* return '01-01-001-01-06-16'
*/
const symidMax = symidMin => {
if (!/^\d{6}(?:\d{3})?$/.test(symidMin)) {
return '';
}
let max = `0${symidMin.charAt(0)}-${symidMin.charAt(1)}${symidMin.charAt(2)}-0${symidMin.charAt(3)}${symidMin.charAt(4)}-0${symidMin.charAt(5)}`;
if (symidMin.length > 6) {
max += `-0${symidMin.charAt(6)}-${symidMin.charAt(7)}${symidMin.charAt(8)}`;
}
return max;
};
/**
* Function to convert base or full symid Max to symid Min
* @function convert.symidMin
* @param {string} symidMax - Symbol ID maximized
* @returns {string} Symbol ID minimized
* @example
* convert.symidMin('01-01-001-01')
*
* return '101011'
* @example
* convert.symidMin('01-01-001-01-06-16')
*
* return '101011616'
*/
const symidMin = symidMax => {
const matches = symidMax.match(/^0(\d)-(\d{2})-0(\d{2})-0(\d)(?:-0(\d)-(\d{2}))?$/);
if (!matches) {
return '';
}
if (matches[5]) {
return matches[1] + matches[2] + matches[3] + matches[4] + matches[5] + matches[6];
} else {
return matches[1] + matches[2] + matches[3] + matches[4];
}
};
/**
* Function to convert base or full symid to key
* @function convert.symid2key
* @param {string} symid - Symbol ID
* @returns {string} Symbol key
* @example
* convert.symid2key('01-01-001-01')
*
* return 'S100'
* @example
* convert.symid2key('01-01-001-01-06-16')
*
* return 'S1005f'
*/
const symid2key = symid => {
const matches = symid.match(/^0(\d)-(\d{2})-0(\d{2})-0(\d)(?:-0(\d)-(\d{2}))?$/);
if (!matches) {
return '';
}
const symidMin = matches[1] + matches[2] + matches[3] + matches[4];
const i = symidArr.indexOf(symidMin);
if (i === -1) {
return '';
}
if (matches[5]) {
return 'S' + (256 + i).toString(16) + (parseInt(matches[5], 10) - 1) + (parseInt(matches[6], 10) - 1).toString(16);
} else {
return 'S' + (256 + i).toString(16);
}
};
/**
* Function to convert base or full key to symid
* @function convert.key2symid
* @param {string} key - Symbol key
* @returns {string} Symbol ID
* @example
* convert.key2symid('S100')
*
* return '01-01-001-01'
* @example
* convert.key2symid('S1005f')
*
* return '01-01-001-01-06-16'
*/
const key2symid = key => {
const matches = key.match(/^S([1-3][0-9a-f]{2})(?:([0-5])([0-9a-f]))?$/);
if (!matches) {
return '';
}
const i = parseInt(matches[1], 16) - 256;
if (i >= symidArr.length) {
return '';
}
if (matches[3]) {
return symidMax(symidArr[i]) + '-0' + (1 + parseInt(matches[2])) + '-' + (parseInt(matches[3], 16) + 1).toString().padStart(2, '0');
} else {
return symidMax(symidArr[i]);
}
};
var index$4 = /*#__PURE__*/Object.freeze({
__proto__: null,
swu2mark: swu2mark,
mark2swu: mark2swu,
swu2num: swu2num,
num2swu: num2swu,
swu2coord: swu2coord,
coord2swu: coord2swu,
fsw2coord: fsw2coord,
coord2fsw: coord2fsw,
swu2code: swu2code,
code2swu: code2swu,
swu2id: swu2id,
id2swu: id2swu,
key2id: key2id,
id2key: id2key,
swu2key: swu2key,
key2swu: key2swu,
swu2fsw: swu2fsw,
fsw2swu: fsw2swu,
symidArr: symidArr,
symidMax: symidMax,
symidMin: symidMin,
symid2key: symid2key,
key2symid: key2symid
});
const parse$3 = {
/**
* Function to parse an fsw symbol with optional coordinate and style string
* @function fsw.parse.symbol
* @param {string} fswSym - an fsw symbol
* @returns {SymbolObject} elements of fsw symbol
* @example
* fsw.parse.symbol('S10000500x500-C')
*
* return {
* 'symbol': 'S10000',
* 'coord': [500, 500],
* 'style': '-C'
* }
*/
symbol: fswSym => {
const regex = `^(${re$4.symbol})(${re$4.coord})?(${re$3.full})?`;
const symbol = typeof fswSym === 'string' ? fswSym.match(new RegExp(regex)) : undefined;
return {
'symbol': symbol ? symbol[1] : undefined,
'coord': symbol && symbol[2] ? fsw2coord(symbol[2]) : undefined,
'style': symbol ? symbol[3] : undefined
};
},
/**
* Function to parse an fsw sign with style string
* @function fsw.parse.sign
* @param {string} fswSign - an fsw sign
* @returns { SignObject } elements of fsw sign
* @example
* fsw.parse.sign('AS10011S10019S2e704S2e748M525x535S2e748483x510S10011501x466S2e704510x500S10019476x475-C')
*
* return {
* sequence: ['S10011', 'S10019', 'S2e704', 'S2e748'],
* box: 'M',
* max: [525, 535],
* spatials: [
* {
* symbol: 'S2e748',
* coord: [483, 510]
* },
* {
* symbol: 'S10011',
* coord: [501, 466]
* },
* {
* symbol: 'S2e704',
* coord: [510, 500]
* },
* {
* symbol: 'S10019',
* coord: [476, 475]
* }
* ],
* style: '-C'
* }
*/
sign: fswSign => {
const regex = `^(${re$4.prefix})?(${re$4.signbox})(${re$3.full})?`;
const sign = typeof fswSign === 'string' ? fswSign.match(new RegExp(regex)) : undefined;
if (sign) {
return {
'sequence': sign[1] ? sign[1].slice(1).match(/.{6}/g) : undefined,
'box': sign[2][0],
'max': fsw2coord(sign[2].slice(1, 8)),
'spatials': sign[2].length < 9 ? undefined : sign[2].slice(8).match(/(.{13})/g).map(m => {
return {
symbol: m.slice(0, 6),
coord: [parseInt(m.slice(6, 9)), parseInt(m.slice(10, 13))]
};
}),
'style': sign[3]
};
} else {
return {};
}
},
/**
* Function to parse an fsw text
* @function fsw.parse.text
* @param {string} fswText - an fsw text
* @returns {string[]} fsw signs and punctuations
* @example
* fsw.parse.text('AS14c20S27106M518x529S14c20481x471S27106503x489 AS18701S1870aS2e734S20500M518x533S1870a489x515S18701482x490S20500508x496S2e734500x468 S38800464x496')
*
* return [
* 'AS14c20S27106M518x529S14c20481x471S27106503x489',
* 'AS18701S1870aS2e734S20500M518x533S1870a489x515S18701482x490S20500508x496S2e734500x468',
* 'S38800464x496'
* ]
*/
text: fswText => {
if (typeof fswText !== 'string') return [];
const regex = `(${re$4.sign}(${re$3.full})?|${re$4.spatial}(${re$3.full})?)`;
const matches = fswText.match(new RegExp(regex, 'g'));
return matches ? [...matches] : [];
}
};
const compose$3 = {
/**
* Function to compose an fsw symbol with optional coordinate and style string
* @function fsw.compose.symbol
* @param {SymbolObject} fswSymObject - an fsw symbol object
* @returns {string} an fsw symbol string
* @example
* fsw.compose.symbol({
* 'symbol': 'S10000',
* 'coord': [480, 480],
* 'style': '-C'
* })
*
* return 'S10000480x480-C'
*/
symbol: fswSymObject => {
if (typeof fswSymObject.symbol === 'string') {
const symbol = (fswSymObject.symbol.match(re$4.symbol) || [''])[0];
if (symbol) {
const x = (fswSymObject.coord && fswSymObject.coord[0] || '').toString();
const y = (fswSymObject.coord && fswSymObject.coord[1] || '').toString();
const coord = ((x + 'x' + y).match(re$4.coord) || [''])[0] || '';
const styleStr = typeof fswSymObject.style === 'string' && (fswSymObject.style.match(re$3.full) || [''])[0] || '';
return symbol + coord + styleStr;
}
}
return undefined;
},
/**
* Function to compose an fsw sign with style string
* @function fsw.compose.sign
* @param {SignObject} fswSignObject - an fsw symbol object
* @returns {string} an fsw sign string
* @example
* fsw.compose.sign({
* sequence: ['S10011', 'S10019', 'S2e704', 'S2e748'],
* box: 'M',
* max: [525, 535],
* spatials: [
* {
* symbol: 'S2e748',
* coord: [483, 510]
* },
* {
* symbol: 'S10011',
* coord: [501, 466]
* },
* {
* symbol: 'S2e704',
* coord: [510, 500]
* },
* {
* symbol: 'S10019',
* coord: [476, 475]
* }
* ],
* style: '-C'
* })
*
* return 'AS10011S10019S2e704S2e748M525x535S2e748483x510S10011501x466S2e704510x500S10019476x475-C'
*/
sign: fswSignObject => {
let box = typeof fswSignObject.box !== 'string' ? 'M' : (fswSignObject.box + 'M').match(re$4.box);
const x = (fswSignObject.max && fswSignObject.max[0] || '').toString();
const y = (fswSignObject.max && fswSignObject.max[1] || '').toString();
const max = ((x + 'x' + y).match(re$4.coord) || [''])[0] || '';
if (!max) return undefined;
let prefix = '';
if (fswSignObject.sequence && Array.isArray(fswSignObject.sequence)) {
prefix = fswSignObject.sequence.map(key => (key.match(re$4.nullorsymbol) || [''])[0]).join('');
prefix = prefix ? 'A' + prefix : '';
}
let signbox = '';
if (fswSignObject.spatials && Array.isArray(fswSignObject.spatials)) {
signbox = fswSignObject.spatials.map(spatial => {
if (typeof spatial.symbol === 'string') {
const symbol = (spatial.symbol.match(re$4.symbol) || [''])[0];
if (symbol) {
const x = (spatial.coord && spatial.coord[0] || '').toString();
const y = (spatial.coord && spatial.coord[1] || '').toString();
const coord = ((x + 'x' + y).match(re$4.coord) || [''])[0] || '';
if (coord) {
return symbol + coord;
}
}
}
return '';
}).join('');
}
const styleStr = typeof fswSignObject.style === 'string' && (fswSignObject.style.match(re$3.full) || [''])[0] || '';
return prefix + box + max + signbox + styleStr;
}
};
/**
* Function to gather sizing information about an fsw sign or symbol
* @function fsw.info
* @param {string} fsw - an fsw sign or symbol
* @returns {SegmentInfo} information about the fsw string
* @example
* fsw.info('AS14c20S27106L518x529S14c20481x471S27106503x489-P10Z2')
*
* return {
* minX: 481,
* minY: 471,
* width: 37,
* height: 58,
* lane: -1,
* padding: 10,
* segment: 'sign',
* zoom: 2
* }
*/
const info$1 = fsw => {
let lanes = {
"B": 0,
"L": -1,
"M": 0,
"R": 1
};
let parsed = parse$3.sign(fsw);
let width, height, segment, x1, x2, y1, y2, lane;
if (parsed.spatials) {
x1 = Math.min(...parsed.spatials.map(spatial => spatial.coord[0]));
x2 = parsed.max[0];
width = x2 - x1;
y1 = Math.min(...parsed.spatials.map(spatial => spatial.coord[1]));
y2 = parsed.max[1];
height = y2 - y1;
segment = 'sign';
lane = parsed.box;
} else {
parsed = parse$3.symbol(fsw);
lane = "M";
if (parsed.coord) {
x1 = parsed.coord[0];
width = (500 - x1) * 2;
y1 = parsed.coord[1];
height = (500 - y1) * 2;
segment = 'symbol';
} else {
x1 = 490;
width = 20;
y1 = 490;
height = 20;
segment = 'none';
}
}
let style = parse$4(parsed.style);
let zoom = style.zoom || 1;
let padding = style.padding || 0;
return {
minX: x1,
minY: y1,
width: width,
height: height,
segment: segment,
lane: lanes[lane],
padding: padding,
zoom: zoom
};
};
/**
* Default special tokens configuration
* ```
* DEFAULT_SPECIAL_TOKENS = [
* { index: 0, name: 'UNK', value: '[UNK]' },
* { index: 1, name: 'PAD', value: '[PAD]' },
* { index: 2, name: 'CLS', value: '[CLS]' },
* { index: 3, name: 'SEP', value: '[SEP]' }
* ];
* ```
*/
const DEFAULT_SPECIAL_TOKENS = [{
index: 0,
name: 'UNK',
value: '[UNK]'
}, {
index: 1,
name: 'PAD',
value: '[PAD]'
}, {
index: 2,
name: 'CLS',
value: '[CLS]'
}, {
index: 3,
name: 'SEP',
value: '[SEP]'
}];
/**
* Generates an array of all possible tokens for the FSW tokenizer
* @private
* @function generateTokens
* @returns {string[]} Array of all possible tokens
*/
const generateTokens = () => {
const range = (start, end) => Array.from({
length: end - start
}, (_, i) => start + i);
const hexRange = (start, end) => range(start, end + 1).map(i => i.toString(16));
const sequence = ["A"];
const signbox = ["B", "L", "M", "R"];
const nullToken = ["S000"];
const baseSymbols = range(0x100, 0x38b + 1).map(i => `S${i.toString(16)}`);
const rows = hexRange(0, 15).map(i => `r${i}`);
const cols = hexRange(0, 5).map(i => `c${i}`);
const positions = range(250, 750).map(i => `p${i}`);
return [...sequence, ...signbox, ...nullToken, ...baseSymbols, ...rows, ...cols, ...positions];
};
/**
* Creates mappings for special tokens
* @private
* @function createSpecialTokenMappings
* @param {Array} specialTokens - Array of special token objects
* @returns {Object} Special token mappings
*/
const createSpecialTokenMappings = specialTokens => {
const byIndex = {};
const byName = {};
const byValue = {};
const indices = new Set();
specialTokens.forEach(token => {
if (indices.has(token.index)) {
throw new Error(`Duplicate token index: ${token.index}`);
}
indices.add(token.index);
byIndex[token.index] = token;
byName[token.name] = token;
byValue[token.value] = token;
});
return {
byIndex,
byName,
byValue,
getByIndex: index => byIndex[index] || byIndex[specialTokens.find(t => t.name === 'UNK').index],
getByName: name => byName[name] || byName['UNK'],
getByValue: value => byValue[value] || byName['UNK'],
getAllValues: () => specialTokens.map(t => t.value),
getAllIndices: () => specialTokens.map(t => t.index)
};
};
/**
* Creates index-to-string and string-to-index mappings for tokens
* @private
* @function createTokenMappings
* @param {string[]} tokens - Array of tokens to map
* @param {Object} specialTokenMappings - Special tokens mapping object
* @param {number} startingIndex - Starting index for regular tokens
* @returns {Object} Object containing i2s and s2i mappings
*/
const createTokenMappings = (tokens, specialTokenMappings, startingIndex) => {
const i2s = {};
const s2i = {};
// Add special tokens first
Object.values(specialTokenMappings.byIndex).forEach(token => {
i2s[token.index] = token.value;
s2i[token.value] = token.index;
});
// Add regular tokens
tokens.forEach((token, i) => {
const index = startingIndex + i;
i2s[index] = token;
s2i[token] = index;
});
return {
i2s,
s2i
};
};
/**
* Tokenizes an FSW string into an array of tokens
* @function fsw.tokenize
* @param {string} fsw - FSW string to tokenize
* @param {Object} options - Tokenization options
* @param {boolean} [options.sequence=true] - Whether to include sequence tokens
* @param {boolean} [options.signbox=true] - Whether to include signbox tokens
* @param {string} [options.sep="[SEP]"] - Separator token
* @returns {string[]} Array of tokens
* @example
* fsw.tokenize("AS10e00M507x515S10e00492x485",{sequence:false,sep:null})
*
* return [
* 'M', 'p507', 'p515','S10e', 'c0', 'r0', 'p492', 'p485'
* ]
*/
const tokenize = (fsw, {
sequence = true,
signbox = true,
sep = "[SEP]"
} = {}) => {
const tokenizeSymbol = symbol => [symbol.slice(0, 4), `c${symbol.charAt(4)}`, `r${symbol.charAt(5)}`];
const tokenizeCoord = coord => coord.map(p => `p${p}`);
const segments = parse$3.text(fsw).map(fswSegment => {
if (/[BLMR]/.test(fswSegment)) {
const sign = parse$3.sign(fswSegment);
const tokens = [];
if (sign.sequence && sequence) {
tokens.push("A", ...sign.sequence.map(seqItem => tokenizeSymbol(seqItem)).flat());
}
if (signbox) {
tokens.push(sign.box, ...tokenizeCoord(sign.max), ...sign.spatials.flatMap(symbol => [...tokenizeSymbol(symbol.symbol), ...tokenizeCoord(symbol.coord)]));
}
return sep ? [...tokens, sep] : tokens;
} else {
const parsed = parse$3.symbol(fswSegment);
if (!signbox && !sequence) {
return [];
}
let tokens = [];
if (!signbox && sequence) {
tokens = ["A", ...tokenizeSymbol(parsed.symbol)];
} else {
tokens = ["M", ...tokenizeCoord(parsed.coord.map(c => 1000 - c)), ...tokenizeSymbol(parsed.symbol), ...tokenizeCoord(parsed.coord)];
}
return tokens.length > 0 && sep ? [...tokens, sep] : tokens;
}
});
return segments.flatMap(segment => segment);
};
/**
* Converts an array of tokens back into an FSW string
* @function fsw.detokenize
* @param {string[]} tokens - Array of tokens to convert
* @param {Array} specialTokens - Array of special token objects to filter out
* @returns {string} FSW string
* @example
* fsw.detokenize(['M', 'p507', 'p515','S10e', 'c0', 'r0', 'p492', 'p485'])
*
* return "M507x515S10e00492x485"
*/
const detokenize = (tokens, specialTokens = DEFAULT_SPECIAL_TOKENS) => {
const specialValues = new Set(specialTokens.map(t => t.value));
return tokens.filter(t => !specialValues.has(t)).join(' ').replace(/\bp(\d{3})\s+p(\d{3})/g, '$1x$2').replace(/ c(\d)\d? r(.)/g, '$1$2').replace(/ c(\d)\d?/g, '$10').replace(/ r(.)/g, '0$1').replace(/ /g, '').replace(/(\d)([BLMR])/g, '$1 $2').replace(/(\d)(AS)/g, '$1 $2').replace(/(A(?:S00000|S[123][0-9a-f]{2}[0-5][0-9a-f])+)( )([BLMR])/g, '$1$3');
};
/**
* Splits tokens into chunks of specified size while preserving sign boundaries
* @function fsw.chunkTokens
* @param {string[]} tokens - Array of tokens to chunk
* @param {number} chunkSize - Maximum size of each chunk
* @param {Object} options - Chunking options
* @param {string} [options.cls="[CLS]"] - CLS token
* @param {string} [options.sep="[SEP]"] - SEP token
* @param {string} [options.pad="[PAD]"] - PAD token
* @returns {string[][]} Array of token chunks
*/
const chunkTokens = (tokens, chunkSize, {
cls = "[CLS]",
sep = "[SEP]",
pad = "[PAD]"
} = {}) => {
if (chunkSize < 60) {
throw new Error('Chunk size must be at least 60 tokens to accommodate a typical sign');
}
const chunks = [];
let currentChunk = [];
let tokenIndex = 0;
while (tokenIndex < tokens.length) {
currentChunk = [cls];
while (tokenIndex < tokens.length) {
tokens[tokenIndex];
let lookAhead = tokenIndex;
while (lookAhead < tokens.length && tokens[lookAhead] !== sep) {
lookAhead++;
}
const signSize = lookAhead - tokenIndex + 1;
if (currentChunk.length + signSize > chunkSize - 1) {
break;
}
while (tokenIndex <= lookAhead) {
currentChunk.push(tokens[tokenIndex]);
tokenIndex++;
}
}
while (currentChunk.length < chunkSize) {
currentChunk.push(pad);
}
chunks.push(currentChunk);
}
return chunks;
};
/**
* Creates a tokenizer object with encoding and decoding capabilities
* @function fsw.createTokenizer
* @param {Object} [specialTokens] - Special tokens mapping object
* @param {number} [startingIndex] - Starting index for regular tokens
* @returns {TokenizerObject} Tokenizer object
* @example
* const t = fsw.createTokenizer()
*
* t.encode('M507x515S10e00492x485')
*
* return [7, 941, 949, 24, 678, 662, 926, 919, 3]
*/
const createTokenizer = (specialTokens = DEFAULT_SPECIAL_TOKENS, startingIndex = null) => {
const specialTokenMappings = createSpecialTokenMappings(specialTokens);
const calculatedStartingIndex = startingIndex ?? (specialTokenMappings.getAllIndices().length > 0 ? Math.max(...specialTokenMappings.getAllIndices()) + 1 : 0);
const tokens = generateTokens();
const {
i2s,
s2i
} = createTokenMappings(tokens, specialTokenMappings, calculatedStartingIndex);
const tokenizer = {
i2s,
s2i,
specialTokens: specialTokenMappings,
length: Object.keys(i2s).length,
vocab: () => Object.values(i2s),
encodeTokens: tokens => tokens.map(t => {
return s2i[t] !== undefined ? s2i[t] : specialTokenMappings.getByValue(t).index;
}),
decodeTokens: indices => indices.map(i => i2s[i] || specialTokenMappings.getByName('UNK').value),
encode: (text, options = {}) => {
const tokens = tokenize(text, {
...options,
sep: specialTokenMappings.getByName('SEP').value
});
return tokenizer.encodeTokens(tokens);
},
decode: tokens => {
if (tokens.length === 0) return "";
if (Array.isArray(tokens[0])) {
const decodedChunks = tokens.map(chunk => tokenizer.decodeTokens(chunk));
return detokenize(decodedChunks.flat(), specialTokens);
}
const decodedTokens = tokenizer.decodeTokens(tokens);
return detokenize(decodedTokens, specialTokens);
},
chunk: (tokens, chunkSize) => chunkTokens(tokens, chunkSize, {
cls: specialTokenMappings.getByName('CLS').value,
sep: specialTokenMappings.getByName('SEP').value,
pad: specialTokenMappings.getByName('PAD').value
})
};
return tokenizer;
};
const columnDefaults$1 = {
'height': 500,
'width': 150,
'offset': 50,
'pad': 20,
'margin': 5,
'dynamic': false,
'background': undefined,
'punctuation': {
'spacing': true,
'pad': 30,
'pull': true
},
'style': {
'detail': ['black', 'white'],
'zoom': 1
}
};
/**
* Function to an object of column options with default values
*
* @function fsw.columnDefaultsMerge
* @param {ColumnOptions} options - object of column options
* @returns {ColumnOptions} object of column options merged with column defaults
* @example
* fsw.columnDefaultsMerge({height: 500,width:150})
*
* return {
* "height": 500,
* "width": 150,
* "offset": 50,
* "pad": 20,
* "margin": 5,
* "dynamic": false,
* "punctuation": {
* "spacing": true,
* "pad": 30,
* "pull": true
* },
* "style": {
* "detail": [
* "black",
* "white"
* ],
* "zoom": 1
* }
* }
*/
const columnDefaultsMerge$1 = options => {
if (typeof options !== 'object') options = {};
return {
...columnDefaults$1,
...options,
punctuation: {
...columnDefaults$1.punctuation,
...options.punctuation
},
style: {
...columnDefaults$1.style,
...options.style
}
};
};
/**
* Function to transform an FSW text to an array of columns
*
* @function fsw.columns
* @param {string} fswText - FSW text of signs and punctuation
* @param {ColumnOptions} options - object of column options
* @returns {{options:ColumnOptions,widths:number[],columns:ColumnData}} object of column options, widths array, and column data
* @example
* fsw.columns('AS14c20S27106M518x529S14c20481x471S27106503x489 AS18701S1870aS2e734S20500M518x533S1870a489x515S18701482x490S20500508x496S2e734500x468 S38800464x496', {height: 500,width:150})
*
* return {
* "options": {
* "height": 500,
* "width": 150,
* "offset": 50,
* "pad": 20,
* "margin": 5,
* "dynamic": false,
* "punctuation": {
* "spacing": true,
* "pad": 30,
* "pull": true
* },
* "style": {
* "detail": [
* "black",
* "white"
* ],
* "zoom": 1
* }
* },
* "widths": [
* 150
* ],
* "columns": [
* [
* {
* "x": 56,
* "y": 20,
* "minX": 481,
* "minY": 471,
* "width": 37,
* "height": 58,
* "lane": 0,
* "padding": 0,
* "segment": "sign",
* "text": "AS14c20S27106M518x529S14c20481x471S27106503x489",
* "zoom": 1
* },
* {
* "x": 57,
* "y": 118,
* "minX": 482,
* "minY": 468,
* "width": 36,
* "height": 65,
* "lane": 0,
* "padding": 0,
* "segment": "sign",
* "text": "AS18701S1870aS2e734S20500M518x533S1870a489x515S18701482x490S20500508x496S2e734500x468",
* "zoom": 1
* },
* {
* "x": 39,
* "y": 203,
* "minX": 464,
* "minY": 496,
* "width": 72,
* "height": 8,
* "lane": 0,
* "padding": 0,
* "segment": "symbol",
* "text": "S38800464x496",
* "zoom": 1
* }
* ]
* ]
* }
*/
const columns$1 = (fswText, options) => {
if (typeof fswText !== 'string') return {};
const values = columnDefaultsMerge$1(options);
let input = parse$3.text(fswText);
let cursor = 0;
let cols = [];
let col = [];
let plus = 0;
let center = parseInt(values.width / 2);
let maxHeight = values.height - values.margin;
let pullable = true;
let finalize = false;
for (let val of input) {
let informed = info$1(val);
cursor += plus;
if (values.punctuation.spacing) {
cursor += informed.segment == 'sign' ? values.pad : 0;
} else {
cursor += values.pad;
}
finalize = cursor + informed.height > maxHeight;
if (finalize && informed.segment == 'symbol' && values.punctuation.pull && pullable) {
finalize = false;
pullable = false;
}
if (col.length == 0) {
finalize = false;
}
if (finalize) {
cursor = values.pad;
cols.push(col);
col = [];
pullable = true;
}
col.push(Object.assign(informed, {
x: center + values.offset * informed.lane - (500 - informed.minX) * informed.zoom * values.style.zoom,
y: cursor,
text: val
}));
cursor += informed.height * informed.zoom * values.style.zoom;
if (values.punctuation.spacing) {
plus = informed.segment == 'sign' ? values.pad : values.punctuation.pad;
} else {
plus = values.pad;
}
}
if (col.length) {
cols.push(col);
}
// over height issue when pulling punctuation
if (values.punctuation.pull) {
for (let col of cols) {
let last = col[col.length - 1];
let diff = last.y + last.height - (values.height - values.margin);
if (diff > 0) {
let adj = parseInt(diff / col.length) + 1;
for (let i in col) {
col[i].y -= adj * i + adj;
}
}
}
}
// contract, expand, adjust
let widths = [];
for (let col of cols) {
let min = [center - values.offset - values.pad];
let max = [center + values.offset + values.pad];
for (let item of col) {
min.push(item.x - values.pad);
max.push(item.x + item.width + values.pad);
}
min = Math.min(...min);
max = Math.max(...max);
let width = values.width;
let adj = 0;
if (!values.dynamic) {
adj = center - parseInt((min + max) / 2);
} else {
width = max - min;
adj = -min;
}
for (let item of col) {
item.x += adj;
}
widths.push(width);
}
return {
'options': values,
'widths': widths,
'columns': cols
};
};
/**
* Array of numbers for kinds of symbols: writing, location, and punctuation.
* @alias fsw.kind
* @type {number[]}
*/
const kind$1 = [0x100, 0x37f, 0x387];
/**
* Array of numbers for categories of symbols: hand, movement, dynamics, head, trunk & limb, location, and punctuation.
* @alias fsw.category
* @type {number[]}
*/
const category$1 = [0x100, 0x205, 0x2f7, 0x2ff, 0x36d, 0x37f, 0x387];
/**
* Array of numbers for the 30 symbol groups.
* @alias fsw.group
* @type {number[]}
*/
const group$1 = [0x100, 0x10e, 0x11e, 0x144, 0x14c, 0x186, 0x1a4, 0x1ba, 0x1cd, 0x1f5, 0x205, 0x216, 0x22a, 0x255, 0x265, 0x288, 0x2a6, 0x2b7, 0x2d5, 0x2e3, 0x2f7, 0x2ff, 0x30a, 0x32a, 0x33b, 0x359, 0x36d, 0x376, 0x37f, 0x387];
/**
* Object of symbol ranges with starting and ending numbers.
*
* { all, writing, hand, movement, dynamic, head, hcenter, vcenter, trunk, limb, location, punctuation }
* @alias fsw.ranges
* @type {object}
*/
const ranges$1 = {
'all': [0x100, 0x38b],
'writing': [0x100, 0x37e],
'hand': [0x100, 0x204],
'movement': [0x205, 0x2f6],
'dynamic': [0x2f7, 0x2fe],
'head': [0x2ff, 0x36c],
'hcenter': [0x2ff, 0x36c],
'vcenter': [0x2ff, 0x375],
'trunk': [0x36d, 0x375],
'limb': [0x376, 0x37e],
'location': [0x37f, 0x386],
'punctuation': [0x387, 0x38b]
};
/**
* Function to test if symbol is of a certain type.
* @function fsw.isType
* @param {string} key - an FSW symbol key
* @param {string} type - the name of a symbol range
* @returns {boolean} is symbol of specified type
* @example
* fsw.isType('S10000', 'hand')
*
* return true
*/
const isType$1 = (key, type) => {
const parsed = parse$3.symbol(key);
if (parsed.symbol) {
const dec = parseInt(parsed.symbol.slice(1, 4), 16);
const range = ranges$1[type];
if (range) {
return range[0] <= dec && range[1] >= dec;
}
}
return false;
};
/**
* Array of colors associated with the seven symbol categories.
* @alias fsw.colors
* @type {string[]}
*/
const colors$1 = ['#0000CC', '#CC0000', '#FF0099', '#006600', '#000000', '#884411', '#FF9900'];
/**
* Function that returns the standardized color for a symbol.
* @function fsw.colorize
* @param {string} key - an FSW symbol key
* @returns {string} name of standardized color for symbol
* @example
* fsw.colorize('S10000')
*
* return '#0000CC'
*/
const colorize$1 = key => {
const parsed = parse$3.symbol(key);
let color = '#000000';
if (parsed.symbol) {
const dec = parseInt(parsed.symbol.slice(1, 4), 16);
const index = category$1.findIndex(val => val > dec);
color = colors$1[index < 0 ? 6 : index - 1];
}
return color;
};
/** The fsw module contains functions for handling Formal SignWriting in ASCII (FSW) characters.
* [FSW characters definition](https://tools.ietf.org/id/draft-slevinski-formal-signwriting-09.html#name-formal-signwriting-in-ascii)
* @module fsw
*/
var index$3 = /*#__PURE__*/Object.freeze({
__proto__: null,
re: re$4,
parse: parse$3,
compose: compose$3,
info: info$1,
tokenize: tokenize,
detokenize: detokenize,
createTokenizer: createTokenizer,
columnDefaults: columnDefaults$1,
columnDefaultsMerge: columnDefaultsMerge$1,
columns: columns$1,
kind: kind$1,
category: category$1,
group: group$1,
ranges: ranges$1,
isType: isType$1,
colors: colors$1,
colorize: colorize$1
});
/**
* Object of regular expressions for FSW query strings
*
* @alias fswquery.re
* @type {object}
* @property {string} null - the null symbol
* @property {string} base - FSW symbol base with neither fill or rotation
* @property {string} coord - FSW coordinate of X and Y values separated by 'x'
* @property {string} var - variance string for searching sign box
* @property {string} symbol - FSW symbol key starting with 'S'
* @property {string} nullorsymbol - null or a symbol
* @property {string} range - FSW range starting with 'R'
* @property {string} item - FSW symbol or range query string
* @property {string} list - several FSW symbols and FSW ranges as a logical OR for searching
* @property {string} prefix - a sequential list of FSW symbol keys with nulls starting with 'A'
* @property {string} signbox - several groups of FSW lists, each group having a coordinate
* @property {string} full - a query string to search prefix in order and the signbox with variance
*/
let re$1 = {
'null': 'S00000',
'base': '[123][0-9a-f]{2}',
'coord': '(?:[0-9]{3}x[0-9]{3})?',
'var': 'V[0-9]+'
};
re$1.symbol = `S${re$1.base}[0-5u][0-9a-fu]`;
re$1.nullorsymbol = `(?:${re$1.null}|${re$1.symbol})`;
re$1.range = `R${re$1.base}t${re$1.base}`;
re$1.item = `(?:${re$1.null}|${re$1.symbol}|${re$1.range})`;
re$1.list = `${re$1.item}(?:o${re$1.item})*`;
re$1.prefix = `(?:A(?:${re$1.list})+)?T`;
re$1.signbox = `(?:${re$1.list}${re$1.coord})*`;
re$1.full = `Q(${re$1.prefix})?(${re$1.signbox})?(${re$1.var})?(-?)`;
const parsePrefix$1 = text => {
return {
required: true,
parts: text == 'T' ? undefined : text.match(new RegExp(`${re$1.list}`, 'g')).map(part => {
if (part.includes('o')) {
return ['or'].concat(part.match(new RegExp(`(${re$1.item})`, 'g')).map(part => part[0] == 'S' ? part : part.slice(1).split('t')));
} else {
return part[0] == 'S' ? part : part.slice(1).split('t');
}
})
};
};
const parseSignbox$1 = text => {
return text.match(new RegExp(`(${re$1.list}${re$1.coord})`, 'g')).map(part => {
let coord, front;
if (part.includes('x')) {
coord = fsw2coord(part.slice(-7));
front = part.slice(0, -7);
} else {
front = part;
}
if (front.includes('o')) {
return {
or: front.split('o').map(part => {
if (part.includes('S')) {
return part;
} else {
return part.slice(1).split('t');
}
}),
coord,
coord
};
} else if (front.includes('S')) {
return {
symbol: front,
coord: coord
};
} else {
return {
range: front.slice(1).split('t'),
coord: coord
};
}
});
};
/**
* Function to parse FSW query string to object
* @function fswquery.parse
* @param {string} fswQueryString - an FSW query string
* @returns {QueryObject} elements of a of query string identified by regular expression
* @example
* fswquery.parse('QAS10000S10500oS20500oR2fft304TS100uuR205t206oS207uu510x510V5-')
*
* return {
* "query": true,
* "prefix": {
* "required": true,
* "parts": [
* "S10000",
* [
* "or",
* "S10500",
* "S20500",
* [
* "2ff",
* "304"
* ]
* ]
* ]
* },
* "signbox": [
* {
* "symbol": "S100uu"
* },
* {
* "or": [
* [
* "205",
* "206"
* ],
* "S207uu"
* ],
* "coord": [
* 510,
* 510
* ]
* }
* ],
* "variance": 5,
* "style": true
* }
*/
const parse$2 = fswQueryString => {
const query = typeof fswQueryString === 'string' ? fswQueryString.match(new RegExp(`^${re$1.full}`)) : undefined;
return {
'query': query ? true : undefined,
'prefix': query && query[1] ? parsePrefix$1(query[1]) : undefined,
'signbox': query && query[2] ? parseSignbox$1(query[2]) : undefined,
'variance': query && query[3] ? parseInt(query[3].slice(1)) : undefined,
'style': query && query[4] ? true : undefined
};
};
/**
* Function to compose FSW query string from object
* @function fswquery.compose
* @param {QueryObject} fswQueryObject - an object of query options
* @returns {string} FSW query string
* @example
* fswquery.compose({
* query: true,
* prefix: {
* required: true,
* parts: [
* 'S10000',
* ['100', '204'],
* 'S20500'
* ]
* },
* signbox: [
* { symbol: 'S20000' },
* {
* range: ['100', '105'],
* coord: [500, 500]
* }
* ],
* variance: 5,
* style: true
* })
*
* return 'QAS10000R100t204S20500TS20000R100t105500x500V5-'
*/
const compose$2 = fswQueryObject => {
if (!fswQueryObject || !fswQueryObject.query) {
return undefined;
}
let query = 'Q';
if (fswQueryObject.prefix && fswQueryObject.prefix.required) {
if (Array.isArray(fswQueryObject.prefix.parts)) {
query += 'A';
query += fswQueryObject.prefix.parts.map(part => {
if (typeof part === 'string') {
return part;
} else {
if (Array.isArray(part) && part.length == 2) {
return `R${part[0]}t${part[1]}`;
} else if (Array.isArray(part) && part.length > 2 && part[0] == 'or') {
part.shift();
return part.map(part => {
if (typeof part === 'string') {
return part;
} else {
if (Array.isArray(part) && part.length == 2) {
return `R${part[0]}t${part[1]}`;
}
}
}).join('o');
}
}
}).join('');
}
query += 'T';
}
if (Array.isArray(fswQueryObject.signbox)) {
query += fswQueryObject.signbox.map(part => {
let out;
if (part.or) {
out = part.or.map(item => {
if (typeof item === 'string') {
return item;
} else {
if (Array.isArray(item) && item.length == 2) {
return `R${item[0]}t${item[1]}`;
}
}
}).join('o');
} else if (part.symbol) {
out = part.symbol;
} else {
if (part.range && Array.isArray(part.range) && part.range.length == 2) {
out = `R${part.range[0]}t${part.range[1]}`;
}
}
return out + (Array.isArray(part.coord) && part.coord.length == 2 ? part.coord.join('x') : '');
}).join('');
}
query += fswQueryObject.style ? '-' : '';
query = query.match(new RegExp(`^${re$1.full}`))[0];
return query;
};
/**
* Function to convert an FSW sign to a query string
*
* For the flags parameter, use one or more of the following.
* - A: exact symbol in temporal prefix
* - a: general symbol in temporal prefix
* - S: exact symbol in spatial signbox
* - s: general symbol in spatial signbox
* - L: spatial signbox symbol at location
* @function fswquery.fsw2query
* @param {string} fswSign - FSW sign
* @param {string} flags - flags for query string creation
* @returns {string} FSW query string
* @example
* fswquery.fsw2query('AS10011S10019S2e704S2e748M525x535S2e748483x510S10011501x466S2e704510x500S10019476x475', 'ASL')
*
* return 'QAS10011S10019S2e704S2e748TS2e748483x510S10011501x466S2e704510x500S10019476x475'
*/
const fsw2query = (fswSign, flags) => {
let query = '';
const parsed = parse$3.sign(fswSign);
if (parsed.box) {
const A_flag = flags.indexOf('A') > -1;
const a_flag = flags.indexOf('a') > -1;
const S_flag = flags.indexOf('S') > -1;
const s_flag = flags.indexOf('s') > -1;
const L_flag = flags.indexOf('L') > -1;
if (A_flag || a_flag || S_flag || s_flag) {
if ((A_flag || a_flag) && parsed.sequence) {
query += 'A';
query += parsed.sequence.map(sym => sym.slice(0, 4) + (a_flag ? 'uu' : sym.slice(4, 6))).join('');
query += 'T';
}
if ((S_flag || s_flag) && parsed.spatials) {
query += parsed.spatials.map(spatial => spatial.symbol.slice(0, 4) + (s_flag ? 'uu' : spatial.symbol.slice(4, 6)) + (L_flag ? spatial.coord.join('x') : '')).join('');
}
}
return query ? "Q" + query : undefined;
} else {
return undefined;
}
};
//needs rewritten, but it works
/**
* Function to transform a range to a regular expression
* @function fswquery.range
* @param {(number|string)} min - either a decimal number or hexidecimal string
* @param {(number|string)} max - either a decimal number or hexidecimal string
* @param {boolean?} hex - if true, the regular expression will match a hexidecimal range
* @returns {string} a regular expression that matches a range
* @example
* fswquery.range(500,750)
*
* return '(([56][0-9][0-9])|(7[0-4][0-9])|(750))'
* @example
* fswquery.range('100','10e',true)
*
* return '10[0-9a-e]'
*/
const range$1 = (min, max, hex) => {
let pattern;
let re;
let diff;
let tmax;
let cnt;
let minV;
let maxV;
if (!hex) {
hex = '';
}
min = ("000" + min).slice(-3);
max = '' + max;
pattern = '';
if (min === max) {
return min;
}
//ending pattern will be series of connected OR ranges
re = [];
//first pattern+ 10's don't match and the min 1's are not zero
//odd number to 9
if (!(min[0] == max[0] && min[1] == max[1])) {
if (min[2] != '0') {
pattern = min[0] + min[1];
if (hex) {
//switch for dex
switch (min[2]) {
case "f":
pattern += 'f';
break;
case "e":
pattern += '[ef]';
break;
case "d":
case "c":
case "b":
case "a":
pattern += '[' + min[2] + '-f]';
break;
default:
switch (min[2]) {
case "9":
pattern += '[9a-f]';
break;
case "8":
pattern += '[89a-f]';
break;
default:
pattern += '[' + min[2] + '-9a-f]';
break;
}
break;
}
diff = 15 - parseInt(min[2], 16) + 1;
min = '' + (parseInt(min, 16) + diff).toString(16);
re.push(pattern);
} else {
//switch for dex
switch (min[2]) {
case "9":
pattern += '9';
break;
case "8":
pattern += '[89]';
break;
default:
pattern += '[' + min[2] + '-9]';
break;
}
diff = 9 - min[2] + 1;
min = '' + (min * 1 + diff);
re.push(pattern);
}
}
}
pattern = '';
//if hundreds are different, get odd to 99 or ff
if (min[0] != max[0]) {
if (min[1] != '0') {
if (hex) {
//scrape to ff
pattern = min[0];
switch (min[1]) {
case "f":
pattern += 'f';
break;
case "e":
pattern += '[ef]';
break;
case "d":
case "c":
case "b":
case "a":
pattern += '[' + min[1] + '-f]';
break;
case "9":
pattern += '[9a-f]';
break;
case "8":
pattern += '[89a-f]';
break;
default:
pattern += '[' + min[1] + '-9a-f]';
break;
}
pattern += '[0-9a-f]';
diff = 15 - parseInt(min[1], 16) + 1;
min = '' + (parseInt(min, 16) + diff * 16).toString(16);
re.push(pattern);
} else {
//scrape to 99
pattern = min[0];
diff = 9 - min[1] + 1;
switch (min[1]) {
case "9":
pattern += '9';
break;
case "8":
pattern += '[89]';
break;
default:
pattern += '[' + min[1] + '-9]';
break;
}
pattern += '[0-9]';
diff = 9 - min[1] + 1;
min = '' + (min * 1 + diff * 10);
re.push(pattern);
}
}
}
pattern = '';
//if hundreds are different, get to same
if (min[0] != max[0]) {
if (hex) {
diff = parseInt(max[0], 16) - parseInt(min[0], 16);
tmax = (parseInt(min[0], 16) + diff - 1).toString(16);
switch (diff) {
case 1:
pattern = min[0];
break;
case 2:
pattern = '[' + min[0] + tmax + ']';
break;
default:
if (parseInt(min[0], 16) > 9) {
minV = 'h';
} else {
minV = 'd';
}
if (parseInt(tmax, 16) > 9) {
maxV = 'h';
} else {
maxV = 'd';
}
switch (minV + maxV) {
case "dd":
pattern += '[' + min[0] + '-' + tmax + ']';
break;
case "dh":
diff = 9 - min[0];
//firs get up to 9
switch (diff) {
case 0:
pattern += '[9';
break;
case 1:
pattern += '[89';
break;
default:
pattern += '[' + min[0] + '-9';
break;
}
switch (tmax[0]) {
case 'a':
pattern += 'a]';
break;
case 'b':
pattern += 'ab]';
break;
default:
pattern += 'a-' + tmax + ']';
break;
}
break;
case "hh":
pattern += '[' + min[0] + '-' + tmax + ']';
break;
}
}
pattern += '[0-9a-f][0-9a-f]';
diff = parseInt(max[0], 16) - parseInt(min[0], 16);
min = '' + (parseInt(min, 16) + diff * 256).toString(16);
re.push(pattern);
} else {
diff = max[0] - min[0];
tmax = min[0] * 1 + diff - 1;
switch (diff) {
case 1:
pattern = min[0];
break;
case 2:
pattern = '[' + min[0] + tmax + ']';
break;
default:
pattern = '[' + min[0] + '-' + tmax + ']';
break;
}
pattern += '[0-9][0-9]';
min = '' + (min * 1 + diff * 100);
re.push(pattern);
}
}
pattern = '';
//if tens are different, get to same
if (min[1] != max[1]) {
if (hex) {
diff = parseInt(max[1], 16) - parseInt(min[1], 16);
tmax = (parseInt(min[1], 16) + diff - 1).toString(16);
pattern = min[0];
switch (diff) {
case 1:
pattern += min[1];
break;
case 2:
pattern += '[' + min[1] + tmax + ']';
break;
default:
if (parseInt(min[1], 16) > 9) {
minV = 'h';
} else {
minV = 'd';
}
if (parseInt(tmax, 16) > 9) {
maxV = 'h';
} else {
maxV = 'd';
}
switch (minV + maxV) {
case "dd":
pattern += '[' + min[1];
if (diff > 1) {
pattern += '-';
}
pattern += tmax + ']';
break;
case "dh":
diff = 9 - min[1];
//firs get up to 9
switch (diff) {
case 0:
pattern += '[9';
break;
case 1:
pattern += '[89';
break;
default:
pattern += '[' + min[1] + '-9';
break;
}
switch (max[1]) {
case 'a':
pattern += ']';
break;
case 'b':
pattern += 'a]';
break;
default:
pattern += 'a-' + (parseInt(max[1], 16) - 1).toString(16) + ']';
break;
}
break;
case "hh":
pattern += '[' + min[1];
if (diff > 1) {
pattern += '-';
}
pattern += (parseInt(max[1], 16) - 1).toString(16) + ']';
break;
}
break;
}
pattern += '[0-9a-f]';
diff = parseInt(max[1], 16) - parseInt(min[1], 16);
min = '' + (parseInt(min, 16) + diff * 16).toString(16);
re.push(pattern);
} else {
diff = max[1] - min[1];
tmax = min[1] * 1 + diff - 1;
pattern = min[0];
switch (diff) {
case 1:
pattern += min[1];
break;
case 2:
pattern += '[' + min[1] + tmax + ']';
break;
default:
pattern += '[' + min[1] + '-' + tmax + ']';
break;
}
pattern += '[0-9]';
min = '' + (min * 1 + diff * 10);
re.push(pattern);
}
}
pattern = '';
//if digits are different, get to same
if (min[2] != max[2]) {
if (hex) {
pattern = min[0] + min[1];
diff = parseInt(max[2], 16) - parseInt(min[2], 16);
if (parseInt(min[2], 16) > 9) {
minV = 'h';
} else {
minV = 'd';
}
if (parseInt(max[2], 16) > 9) {
maxV = 'h';
} else {
maxV = 'd';
}
switch (minV + maxV) {
case "dd":
pattern += '[' + min[2];
if (diff > 1) {
pattern += '-';
}
pattern += max[2] + ']';
break;
case "dh":
diff = 9 - min[2];
//firs get up to 9
switch (diff) {
case 0:
pattern += '[9';
break;
case 1:
pattern += '[89';
break;
default:
pattern += '[' + min[2] + '-9';
break;
}
switch (max[2]) {
case 'a':
pattern += 'a]';
break;
case 'b':
pattern += 'ab]';
break;
default:
pattern += 'a-' + max[2] + ']';
break;
}
break;
case "hh":
pattern += '[' + min[2];
if (diff > 1) {
pattern += '-';
}
pattern += max[2] + ']';
break;
}
diff = parseInt(max[2], 16) - parseInt(min[2], 16);
min = '' + (parseInt(min, 16) + diff).toString(16);
re.push(pattern);
} else {
diff = max[2] - min[2];
pattern = min[0] + min[1];
switch (diff) {
case 0:
pattern += min[2];
break;
case 1:
pattern += '[' + min[2] + max[2] + ']';
break;
default:
pattern += '[' + min[2] + '-' + max[2] + ']';
break;
}
min = '' + (min * 1 + diff);
re.push(pattern);
}
}
pattern = '';
//last place is whole hundred
if (min[2] == '0' && max[2] == '0') {
pattern = max;
re.push(pattern);
}
pattern = '';
cnt = re.length;
if (cnt == 1) {
pattern = re[0];
} else {
pattern = re.join(')|(');
pattern = '((' + pattern + '))';
}
return pattern;
};
const regexSymbol = sym => {
let segment = sym.slice(0, 4);
let fill = sym.slice(4, 5);
if (fill == 'u') {
segment += '[0-5]';
} else {
segment += fill;
}
let rotate = sym.slice(5, 6);
if (rotate == 'u') {
segment += '[0-9a-f]';
} else {
segment += rotate;
}
return segment;
};
const regexRange$1 = symRange => {
let from = symRange.slice(1, 4);
let to = symRange.slice(5, 8);
return 'S' + range$1(from, to, 'hex') + '[0-5][0-9a-f]';
};
//needs rewritten, but it works
/**
* Function to transform an FSW query string to one or more regular expressions
* @function fswquery.regex
* @param {string} query - an FSW query string
* @returns {string[]} an array of one or more regular expressions
* @example
* fswquery.regex('QS100uuS20500480x520')
*
* return [
* '(?:A(?:S[123][0-9a-f]{2}[0-5][0-9a-f])+)?[BLMR]([0-9]{3}x[0-9]{3})(S[123][0-9a-f]{2}[0-5][0-9a-f][0-9]{3}x[0-9]{3})*S100[0-5][0-9a-f][0-9]{3}x[0-9]{3}(S[123][0-9a-f]{2}[0-5][0-9a-f][0-9]{3}x[0-9]{3})*',
* '(?:A(?:S[123][0-9a-f]{2}[0-5][0-9a-f])+)?[BLMR]([0-9]{3}x[0-9]{3})(S[123][0-9a-f]{2}[0-5][0-9a-f][0-9]{3}x[0-9]{3})*S20500((4[6-9][0-9])|(500))x((5[0-3][0-9])|(540))(S[123][0-9a-f]{2}[0-5][0-9a-f][0-9]{3}x[0-9]{3})*'
* ]
*/
const regex$1 = query => {
query = query.match(new RegExp(`^${re$1.full}`))[0];
if (!query) {
return '';
}
var matches;
var matchesOr;
var matched;
var orList;
var i;
var j;
var segment;
var coord;
var x;
var y;
var fuzz = 20;
var q_style = '(?:' + re$3.full + ')?';
var q_sortable;
if (query == 'Q') {
return [re$4.prefix + "?" + re$4.signbox];
}
if (query == 'Q-') {
return [re$4.prefix + "?" + re$4.signbox + q_style];
}
if (query == 'QT') {
return [re$4.prefix + re$4.signbox];
}
if (query == 'QT-') {
return [re$4.prefix + re$4.signbox + q_style];
}
var segments = [];
var sortable = query.indexOf('T') + 1;
if (sortable) {
q_sortable = '(?:A';
var qat = query.slice(0, sortable);
query = query.replace(qat, '');
if (qat == 'QT') {
q_sortable += re$4.nullorsymbol + '+)';
} else {
matches = qat.match(new RegExp(re$1.list, 'g'));
if (matches) {
for (i = 0; i < matches.length; i += 1) {
orList = [];
matchesOr = matches[i].match(new RegExp(re$1.item, 'g'));
if (matchesOr) {
for (j = 0; j < matchesOr.length; j += 1) {
matched = matchesOr[j].match(new RegExp(re$1.nullorsymbol));
if (matched) {
orList.push(regexSymbol(matched[0]));
} else {
orList.push(regexRange$1(matchesOr[j]));
}
}
if (orList.length == 1) {
q_sortable += orList[0];
} else {
q_sortable += '(?:' + orList.join('|') + ')';
}
}
}
q_sortable += re$4.nullorsymbol + '*)';
}
}
}
//get the variance
matches = query.match(new RegExp(re$1.var, 'g'));
if (matches) {
fuzz = matches.toString().slice(1) * 1;
}
//this gets all symbols and ranges with or without location
matches = query.match(new RegExp(re$1.list + re$1.coord, 'g'));
if (matches) {
for (i = 0; i < matches.length; i += 1) {
orList = [];
matchesOr = matches[i].match(new RegExp('(' + re$1.symbol + '|' + re$1.range + ')', 'g'));
if (matchesOr) {
for (j = 0; j < matchesOr.length; j += 1) {
matched = matchesOr[j].match(new RegExp(re$1.symbol));
if (matched) {
orList.push(regexSymbol(matched[0]));
} else {
orList.push(regexRange$1(matchesOr[j]));
}
}
if (orList.length == 1) {
segment = orList[0];
} else {
segment = '(?:' + orList.join('|') + ')';
}
}
if (matches[i].includes('x')) {
coord = fsw2coord(matches[i].slice(-7));
x = coord[0];
y = coord[1];
segment += range$1(x - fuzz, x + fuzz);
segment += 'x';
segment += range$1(y - fuzz, y + fuzz);
} else {
segment += re$4.coord;
}
// add to general fsw word
segment = re$4.signbox + segment + '(?:' + re$4.symbol + re$4.coord + ')*';
if (sortable) {
segment = q_sortable + segment;
} else {
segment = re$4.prefix + "?" + segment;
}
if (query.indexOf('-') > 0) {
segment += q_style;
}
segments.push(segment);
}
}
if (!segments.length) {
if (query.indexOf('-') > 0) {
segment += q_style;
}
segments.push(q_sortable + re$4.signbox);
}
return segments;
};
//needs rewritten, but it works
/**
* Function that uses a query string to match signs from a string of text.
* @function fswquery.results
* @param {string} query - an FSW query string
* @param {string} text - a string of text containing multiple signs
* @returns {string[]} an array of FSW signs
* @example
* fswquery.results('QAS10011T','AS10011S10019S2e704S2e748M525x535S2e748483x510S10011501x466S2e704510x500S10019476x475 AS15a21S15a07S21100S2df04S2df14M521x538S15a07494x488S15a21498x489S2df04498x517S2df14497x461S21100479x486 AS1f010S10018S20600M519x524S10018485x494S1f010490x494S20600481x476')
*
* return [
* 'AS10011S10019S2e704S2e748M525x535S2e748483x510S10011501x466S2e704510x500S10019476x475'
* ]
*/
const results$1 = (query, text) => {
if (!text) {
return [];
}
let pattern;
let matches;
let parts;
let words;
let re = regex$1(query);
if (!re) {
return [];
}
let i;
for (i = 0; i < re.length; i += 1) {
pattern = re[i];
matches = text.match(new RegExp(pattern, 'g'));
if (matches) {
text = matches.join(' ');
} else {
text = '';
}
}
if (text) {
parts = text.split(' ');
words = parts.filter(function (element) {
return element in parts ? false : parts[element] = true;
}, {});
} else {
words = [];
}
return words;
};
//needs rewritten, but it works
/**
* Function that uses an FSW query string to match signs from multiple lines of text.
* @function fswquery.lines
* @param {string} query - an FSW query string
* @param {string} text - multiple lines of text, each starting with an FSW sign
* @returns {string[]} an array of lines of text, each starting with an FSW sign
* @example
* fswquery.lines('QAS10011T',`AS10011S10019S2e704S2e748M525x535S2e748483x510S10011501x466S2e704510x500S10019476x475 line one
* AS15a21S15a07S21100S2df04S2df14M521x538S15a07494x488S15a21498x489S2df04498x517S2df14497x461S21100479x486 line two
* AS1f010S10018S20600M519x524S10018485x494S1f010490x494S20600481x476 line three`)
*
* return [
* 'AS10011S10019S2e704S2e748M525x535S2e748483x510S10011501x466S2e704510x500S10019476x475 line one'
* ]
*/
const lines$1 = (query, text) => {
if (!text) {
return [];
}
let pattern;
let matches;
let parts;
let words;
let re = regex$1(query);
if (!re) {
return [];
}
let i;
for (i = 0; i < re.length; i += 1) {
pattern = re[i];
pattern = '^' + pattern + '.*';
matches = text.match(new RegExp(pattern, 'mg'));
if (matches) {
text = matches.join("\n");
} else {
text = '';
}
}
if (text) {
parts = text.split("\n");
words = parts.filter(function (element) {
return element in parts ? false : parts[element] = true;
}, {});
} else {
words = [];
}
return words;
};
/** The fswquery module contains functions for handling the FSW query language.
* [Query Language definition](https://tools.ietf.org/id/draft-slevinski-formal-signwriting-09.html#name-query-language)
* @module fswquery
*/
var index$2 = /*#__PURE__*/Object.freeze({
__proto__: null,
re: re$1,
parse: parse$2,
compose: compose$2,
fsw2query: fsw2query,
range: range$1,
regex: regex$1,
results: results$1,
lines: lines$1
});
const parse$1 = {
/**
* Function to parse an swu symbol with optional coordinate and style string
* @function swu.parse.symbol
* @param {string} swuSym - an swu symbol
* @returns {SymbolObject} elements of swu symbol
* @example
* swu.parse.symbol('𝤆𝤆-C')
*
* return {
* 'symbol': '',
* 'coord': [500, 500],
* 'style': '-C'
* }
*/
symbol: swuSym => {
const regex = `^(${re$2.symbol})(${re$2.coord})?(${re$3.full})?`;
const symbol = typeof swuSym === 'string' ? swuSym.match(new RegExp(regex)) : undefined;
return {
'symbol': symbol ? symbol[1] : undefined,
'coord': symbol && symbol[2] ? swu2coord(symbol[2]) : undefined,
'style': symbol ? symbol[3] : undefined
};
},
/**
* Function to parse an swu sign with style string
* @function swu.parse.sign
* @param {string} swuSign - an swu sign
* @returns {SignObject} elements of swu sign
* @example
* swu.parse.sign('𝠀𝠃𝤟𝤩𝣵𝤐𝤇𝣤𝤐𝤆𝣮𝣭-C')
*
* return {
* sequence: ['','','',''],
* box: '𝠃',
* max: [525, 535],
* spatials: [
* {
* symbol: '',
* coord: [483, 510]
* },
* {
* symbol: '',
* coord: [501, 466]
* },
* {
* symbol: '',
* coord: [510, 500]
* },
* {
* symbol: '',
* coord: [476, 475]
* }
* ],
* style: '-C'
* }
*/
sign: swuSign => {
const regex = `^(${re$2.prefix})?(${re$2.signbox})(${re$3.full})?`;
const sign = typeof swuSign === 'string' ? swuSign.match(new RegExp(regex)) : undefined;
if (sign) {
return {
'sequence': sign[1] ? sign[1].slice(2).match(/.{2}/g) : undefined,
'box': sign[2].slice(0, 2),
'max': swu2coord(sign[2].slice(2, 6)),
'spatials': sign[2].length < 7 ? undefined : sign[2].slice(6).match(/(.{6})/g).map(m => {
return {
symbol: m.slice(0, 2),
coord: swu2coord(m.slice(2))
};
}),
'style': sign[3]
};
} else {
return {};
}
},
/**
* Function to parse an swu text
* @function swu.parse.text
* @param {string} swuText - an swu text
* @returns {string[]} swu signs and punctuations
* @example
* swu.parse.text('𝠀𝠃𝤘𝤣𝣳𝣩𝤉𝣻 𝠀𝠃𝤘𝤧𝣻𝤕𝣴𝣼𝤎𝤂𝤆𝣦 𝣢𝤂')
*
* return [
* '𝠀𝠃𝤘𝤣𝣳𝣩𝤉𝣻',
* '𝠀𝠃𝤘𝤧𝣻𝤕𝣴𝣼𝤎𝤂𝤆𝣦',
* '𝣢𝤂'
* ]
*/
text: swuText => {
if (typeof swuText !== 'string') return [];
const regex = `(${re$2.sign}(${re$3.full})?|${re$2.spatial}(${re$3.full})?)`;
const matches = swuText.match(new RegExp(regex, 'g'));
return matches ? [...matches] : [];
}
};
/**
* Function to encode SWU characters using the UTF-16 escape format.
* @function swu.encode
* @param {string} swu - SWU characters
* @returns {string} UTF-16 escape format
* @example
* swu.encode('𝤆𝤆')
*
* return '\\uD8C0\\uDC01\\uD836\\uDD06\\uD836\\uDD06'
*/
const encode = swu => swu.replace(/[\u007F-\uFFFF]/g, function (chr) {
return "\\u" + ("0000" + chr.charCodeAt(0).toString(16)).substr(-4).toUpperCase();
});
/**
* Function to decode UTF-16 escape format to SWU characters.
* @function swu.decode
* @param {string} encoded - UTF-16 escape format
* @returns {string} SWU characters
* @example
* swu.decode('\\uD8C0\\uDC01\\uD836\\uDD06\\uD836\\uDD06')
*
* return '𝤆𝤆'
*/
const decode = encoded => encoded.replace(/\\u([0-9A-F]{4})/g, function (match, chr) {
return String.fromCharCode(parseInt(chr, 16));
});
/**
* Function to decompose an SWU character into UTF-16 surrogate pairs.
* @function swu.pair
* @param {string} swuChar - an SWU character
* @returns {string[]} an array of UTF-16 surrogate pairs
* @example
* swu.pair('')
*
* return ['D8C0', 'DC01']
*/
const pair = swuChar => [swuChar.charCodeAt(0).toString(16).toUpperCase(), swuChar.charCodeAt(1).toString(16).toUpperCase()];
const compose$1 = {
/**
* Function to compose an swu symbol with optional coordinate and style string
* @function swu.compose.symbol
* @param {SymbolObject} swuSymObject - an swu symbol object
* @returns {string} an swu symbol string
* @example
* swu.compose.symbol({
* 'symbol': '',
* 'coord': [500, 500],
* 'style': '-C'
* })
*
* return '𝤆𝤆-C'
*/
symbol: swuSymObject => {
if (typeof swuSymObject !== 'object' || swuSymObject === null) return undefined;
if (typeof swuSymObject.symbol === 'string') {
const symbol = (swuSymObject.symbol.match(re$2.symbol) || [''])[0];
if (symbol) {
const x = swuSymObject.coord && swuSymObject.coord[0] || '';
const y = swuSymObject.coord && swuSymObject.coord[1] || '';
const coord = x && y ? coord2swu([x, y]) : '';
const styleStr = typeof swuSymObject.style === 'string' && (swuSymObject.style.match(re$3.full) || [''])[0] || '';
return symbol + coord + styleStr;
}
}
return undefined;
},
/**
* Function to compose an swu sign with style string
* @function swu.compose.sign
* @param {SignObject} swuSignObject - an swu sign object
* @returns {string} an swu sign string
* @example
* swu.compose.sign({
* sequence: ['','','',''],
* box: '𝠃',
* max: [525, 535],
* spatials: [
* {
* symbol: '',
* coord: [483, 510]
* },
* {
* symbol: '',
* coord: [501, 466]
* },
* {
* symbol: '',
* coord: [510, 500]
* },
* {
* symbol: '',
* coord: [476, 475]
* }
* ],
* style: '-C'
* })
*
* return '𝠀𝠃𝤟𝤩𝣵𝤐𝤇𝣤𝤐𝤆𝣮𝣭-C'
*/
sign: swuSignObject => {
if (typeof swuSignObject !== 'object' || swuSignObject === null) return undefined;
let box = typeof swuSignObject.box !== 'string' ? '𝠃' : (swuSignObject.box + '𝠃').match(re$2.box);
const x = swuSignObject.max && swuSignObject.max[0] || '';
const y = swuSignObject.max && swuSignObject.max[1] || '';
const max = x && y ? coord2swu([x, y]) : undefined;
if (!max) return undefined;
let prefix = '';
if (swuSignObject.sequence && Array.isArray(swuSignObject.sequence)) {
prefix = swuSignObject.sequence.map(key => (key.match(re$2.nullorsymbol) || [''])[0]).join('');
prefix = prefix ? '𝠀' + prefix : '';
}
let signbox = '';
if (swuSignObject.spatials && Array.isArray(swuSignObject.spatials)) {
signbox = swuSignObject.spatials.map(spatial => {
if (typeof spatial.symbol === 'string') {
const symbol = (spatial.symbol.match(re$2.symbol) || [''])[0];
if (symbol) {
const x = spatial.coord && spatial.coord[0] || '';
const y = spatial.coord && spatial.coord[1] || '';
const coord = x && y ? coord2swu([x, y]) : '';
if (coord) {
return symbol + coord;
}
}
}
return '';
}).join('');
}
const styleStr = typeof swuSignObject.style === 'string' && (swuSignObject.style.match(re$3.full) || [''])[0] || '';
return prefix + box + max + signbox + styleStr;
}
};
/**
* Function to gather sizing information about an swu sign or symbol
* @function swu.info
* @param {string} swu - an swu sign or symbol
* @returns {SegmentInfo} information about the swu string
* @example
* swu.info('𝠀𝠂𝤘𝤣𝣳𝣩𝤉𝣻-P10Z2')
*
* return {
* minX: 481,
* minY: 471,
* width: 37,
* height: 58,
* lane: -1,
* padding: 10,
* segment: 'sign',
* zoom: 2
* }
*/
const info = swu => {
let lanes = {
'𝠁': 0,
'𝠂': -1,
'𝠃': 0,
'𝠄': 1
};
let parsed = parse$1.sign(swu);
let width, height, segment, x1, x2, y1, y2, lane;
if (parsed.spatials) {
x1 = Math.min(...parsed.spatials.map(spatial => spatial.coord[0]));
x2 = parsed.max[0];
width = x2 - x1;
y1 = Math.min(...parsed.spatials.map(spatial => spatial.coord[1]));
y2 = parsed.max[1];
height = y2 - y1;
segment = 'sign';
lane = parsed.box;
} else {
parsed = parse$1.symbol(swu);
lane = "𝠃";
if (parsed.coord) {
x1 = parsed.coord[0];
width = (500 - x1) * 2;
y1 = parsed.coord[1];
height = (500 - y1) * 2;
segment = 'symbol';
} else {
x1 = 490;
width = 20;
y1 = 490;
height = 20;
segment = 'none';
}
}
let style = parse$4(parsed.style);
let zoom = style.zoom || 1;
let padding = style.padding || 0;
return {
minX: x1,
minY: y1,
width: width,
height: height,
segment: segment,
lane: lanes[lane],
padding: padding,
zoom: zoom
};
};
const columnDefaults = {
'height': 500,
'width': 150,
'offset': 50,
'pad': 20,
'margin': 5,
'dynamic': false,
'background': undefined,
'punctuation': {
'spacing': true,
'pad': 30,
'pull': true
},
'style': {
'detail': ['black', 'white'],
'zoom': 1
}
};
/**
* Function to an object of column options with default values
*
* @function swu.columnDefaultsMerge
* @param {ColumnOptions} options - object of column options
* @returns {ColumnOptions} object of column options merged with column defaults
* @example
* swu.columnDefaultsMerge({height: 500,width:150})
*
* return {
* "height": 500,
* "width": 150,
* "offset": 50,
* "pad": 20,
* "margin": 5,
* "dynamic": false,
* "punctuation": {
* "spacing": true,
* "pad": 30,
* "pull": true
* },
* "style": {
* "detail": [
* "black",
* "white"
* ],
* "zoom": 1
* }
* }
*/
const columnDefaultsMerge = options => {
if (typeof options !== 'object') options = {};
return {
...columnDefaults,
...options,
punctuation: {
...columnDefaults.punctuation,
...options.punctuation
},
style: {
...columnDefaults.style,
...options.style
}
};
};
/**
* Function to transform an SWU text to an array of columns
*
* @function swu.columns
* @param {string} swuText - SWU text of signs and punctuation
* @param {ColumnOptions} options - object of column options
* @returns {{options:ColumnOptions,widths:number[],columns:ColumnData}} object of column options, widths array, and column data
* @example
* swu.columns('𝠀𝠃𝤘𝤣𝣳𝣩𝤉𝣻 𝠀𝠃𝤘𝤧𝣻𝤕𝣴𝣼𝤎𝤂𝤆𝣦 𝣢𝤂', {height: 500,width:150})
*
* return {
* "options": {
* "height": 500,
* "width": 150,
* "offset": 50,
* "pad": 20,
* "margin": 5,
* "dynamic": false,
* "punctuation": {
* "spacing": true,
* "pad": 30,
* "pull": true
* },
* "style": {
* "detail": [
* "black",
* "white"
* ],
* "zoom": 1
* }
* },
* "widths": [
* 150
* ],
* "columns": [
* [
* {
* "x": 56,
* "y": 20,
* "minX": 481,
* "minY": 471,
* "width": 37,
* "height": 58,
* "lane": 0,
* "padding": 0,
* "segment": "sign",
* "text": "𝠀𝠃𝤘𝤣𝣳𝣩𝤉𝣻",
* "zoom": 1
* },
* {
* "x": 57,
* "y": 118,
* "minX": 482,
* "minY": 468,
* "width": 36,
* "height": 65,
* "lane": 0,
* "padding": 0,
* "segment": "sign",
* "text": "𝠀𝠃𝤘𝤧𝣻𝤕𝣴𝣼𝤎𝤂𝤆𝣦",
* "zoom": 1
* },
* {
* "x": 39,
* "y": 203,
* "minX": 464,
* "minY": 496,
* "width": 72,
* "height": 8,
* "lane": 0,
* "padding": 0,
* "segment": "symbol",
* "text": "𝣢𝤂",
* "zoom": 1
* }
* ]
* ]
* }
*/
const columns = (swuText, options) => {
if (typeof swuText !== 'string') return {};
const values = columnDefaultsMerge(options);
let input = parse$1.text(swuText);
let cursor = 0;
let cols = [];
let col = [];
let plus = 0;
let center = parseInt(values.width / 2);
let maxHeight = values.height - values.margin;
let pullable = true;
let finalize = false;
for (let val of input) {
let informed = info(val);
cursor += plus;
if (values.punctuation.spacing) {
cursor += informed.segment == 'sign' ? values.pad : 0;
} else {
cursor += values.pad;
}
finalize = cursor + informed.height > maxHeight;
if (finalize && informed.segment == 'symbol' && values.punctuation.pull && pullable) {
finalize = false;
pullable = false;
}
if (col.length == 0) {
finalize = false;
}
if (finalize) {
cursor = values.pad;
cols.push(col);
col = [];
pullable = true;
}
col.push(Object.assign(informed, {
x: center + values.offset * informed.lane - (500 - informed.minX) * informed.zoom * values.style.zoom,
y: cursor,
text: val
}));
cursor += informed.height * informed.zoom * values.style.zoom;
if (values.punctuation.spacing) {
plus = informed.segment == 'sign' ? values.pad : values.punctuation.pad;
} else {
plus = values.pad;
}
}
if (col.length) {
cols.push(col);
}
// over height issue when pulling punctuation
if (values.punctuation.pull) {
for (let col of cols) {
let last = col[col.length - 1];
let diff = last.y + last.height - (values.height - values.margin);
if (diff > 0) {
let adj = parseInt(diff / col.length) + 1;
for (let i in col) {
col[i].y -= adj * i + adj;
}
}
}
}
// contract, expand, adjust
let widths = [];
for (let col of cols) {
let min = [center - values.offset - values.pad];
let max = [center + values.offset + values.pad];
for (let item of col) {
min.push(item.x - values.pad);
max.push(item.x + item.width + values.pad);
}
min = Math.min(...min);
max = Math.max(...max);
let width = values.width;
let adj = 0;
if (!values.dynamic) {
adj = center - parseInt((min + max) / 2);
} else {
width = max - min;
adj = -min;
}
for (let item of col) {
item.x += adj;
}
widths.push(width);
}
return {
'options': values,
'widths': widths,
'columns': cols
};
};
/**
* Array of plane 4 code points for kinds of symbols: writing, location, and punctuation.
* @alias swu.kind
* @type {array}
*/
const kind = [0x40001, 0x4efa1, 0x4f2a1];
/**
* Array of plane 4 code points for categories of symbols: hand, movement, dynamics, head, trunk & limb, location, and punctuation.
* @alias swu.category
* @type {array}
*/
const category = [0x40001, 0x461e1, 0x4bca1, 0x4bfa1, 0x4e8e1, 0x4efa1, 0x4f2a1];
/**
* Array of plane 4 code points for the 30 symbol groups.
* @alias swu.group
* @type {array}
*/
const group = [0x40001, 0x40541, 0x40b41, 0x41981, 0x41c81, 0x43241, 0x43d81, 0x445c1, 0x44ce1, 0x45be1, 0x461e1, 0x46841, 0x46fc1, 0x47fe1, 0x485e1, 0x49301, 0x49e41, 0x4a4a1, 0x4afe1, 0x4b521, 0x4bca1, 0x4bfa1, 0x4c3c1, 0x4cfc1, 0x4d621, 0x4e161, 0x4e8e1, 0x4ec41, 0x4efa1, 0x4f2a1];
/**
* Object of symbol ranges with starting and ending code points on plane 4.
*
* { all, writing, hand, movement, dynamic, head, hcenter, vcenter, trunk, limb, location, punctuation }
* @alias swu.ranges
* @type {object}
*/
const ranges = {
'all': [0x40001, 0x4f480],
'writing': [0x40001, 0x4efa0],
'hand': [0x40001, 0x461e0],
'movement': [0x461e1, 0x4bca0],
'dynamic': [0x4bca1, 0x4bfa0],
'head': [0x4bfa1, 0x4e8e0],
'hcenter': [0x4bfa1, 0x4e8e0],
'vcenter': [0x4bfa1, 0x4ec40],
'trunk': [0x4e8e1, 0x4ec40],
'limb': [0x4ec41, 0x4efa0],
'location': [0x4efa1, 0x4f2a0],
'punctuation': [0x4f2a1, 0x4f480]
};
/**
* Function to test if symbol is of a certain type.
* @function swu.isType
* @param {string} swuSym - an SWU symbol character
* @param {string} type - the name of a symbol range
* @returns {boolean} is symbol of specified type
* @example
* swu.isType('', 'hand')
*
* return true
*/
const isType = (swuSym, type) => {
const parsed = parse$1.symbol(swuSym);
if (parsed.symbol) {
const code = swu2code(parsed.symbol);
const range = ranges[type];
if (range) {
return range[0] <= code && range[1] >= code;
}
}
return false;
};
/**
* Array of colors associated with the seven symbol categories.
* @alias swu.colors
* @type {array}
*/
const colors = ['#0000CC', '#CC0000', '#FF0099', '#006600', '#000000', '#884411', '#FF9900'];
/**
* Function that returns the standardized color for a symbol.
* @function swu.colorize
* @param {string} swuSym - an SWU symbol character
* @returns {string} name of standardized color for symbol
* @example
* swu.colorize('')
*
* return '#0000CC'
*/
const colorize = swuSym => {
const parsed = parse$1.symbol(swuSym);
let color = '#000000';
if (parsed.symbol) {
const code = swu2code(parsed.symbol);
const index = category.findIndex(val => val > code);
color = colors[index < 0 ? 6 : index - 1];
}
return color;
};
/** The swu module contains functions for handling SignWriting in Unicode (SWU) characters.
* [SWU characters definition](https://tools.ietf.org/id/draft-slevinski-formal-signwriting-09.html#name-signwriting-in-unicode-swu)
* @module swu
*/
var index$1 = /*#__PURE__*/Object.freeze({
__proto__: null,
re: re$2,
parse: parse$1,
encode: encode,
decode: decode,
pair: pair,
compose: compose$1,
info: info,
columnDefaults: columnDefaults,
columnDefaultsMerge: columnDefaultsMerge,
columns: columns,
kind: kind,
category: category,
group: group,
ranges: ranges,
isType: isType,
colors: colors,
colorize: colorize
});
/**
* Object of regular expressions for SWU query strings
*
* @alias swuquery.re
* @type {object}
* @property {string} null - the null symbol
* @property {string} base - SWU symbol
* @property {string} coord - SWU coordinate of X and Y number characters
* @property {string} var - variance string for searching sign box
* @property {string} symbol - SWU symbol character with ignore fill and rotation flags
* @property {string} nullorsymbol - null or a symbol
* @property {string} range - SWU range starting with 'R'
* @property {string} item - SWU symbol or range query string
* @property {string} list - several SWU symbols and SWU ranges as a logical OR for searching
* @property {string} prefix - a sequential list of SWU symbol characters with nulls starting with SWU 'A' character
* @property {string} signbox - several groups of SWU lists, each group having a coordinate
* @property {string} full - a query string to search prefix in order and the signbox with variance
*/
let re = {
'null': '\uD8C0\uDC00',
'base': '(?:(?:\uD8C0[\uDC01-\uDFFF])|(?:[\uD8C1-\uD8FC][\uDC00-\uDFFF])|(?:\uD8FD[\uDC00-\uDC80]))',
'coord': '(?:(?:\uD836[\uDC0C-\uDDFF]){2})?',
'var': 'V[0-9]+'
};
re.symbol = `${re.base}f?r?`;
re.nullorsymbol = `(?:${re.null}|${re.symbol})`;
re.range = `R${re.base}${re.base}`;
re.item = `(?:${re.null}|${re.symbol}|${re.range})`;
re.list = `${re.item}(?:o${re.item})*`;
re.prefix = `(?:A(?:${re.list})+)?T`;
re.signbox = `(?:${re.list}${re.coord})*`;
re.full = `Q(${re.prefix})?(${re.signbox})?(${re.var})?(-?)`;
const parsePrefix = text => {
return {
required: true,
parts: text == 'T' ? undefined : text.match(new RegExp(`(${re.list})`, 'g')).map(part => {
if (part.includes('o')) {
return ['or'].concat(part.match(new RegExp(`(${re.item})`, 'g')).map(part => part[0] != 'R' ? part : [part.slice(1, 3), part.slice(3, 5)]));
} else {
return part[0] != 'R' ? part : [part.slice(1, 3), part.slice(3, 5)];
}
})
};
};
const parseSignbox = text => {
return text.match(new RegExp(`(${re.list}${re.coord})`, 'g')).map(part => {
let coord, front;
coord = part.match(new RegExp(`${re$2.coord}`));
if (coord) {
coord = swu2coord(coord[0]);
front = part.slice(0, -4);
} else {
coord = undefined;
front = part;
}
if (front.includes('o')) {
return {
or: front.split('o').map(part => {
if (!part.includes('R')) {
return part;
} else {
return [part.slice(1, 3), part.slice(3, 5)];
}
}),
coord,
coord
};
} else if (!front.includes('R')) {
return {
symbol: front,
coord: coord
};
} else {
return {
range: [front.slice(1, 3), front.slice(3, 5)],
coord: coord
};
}
});
};
/**
* Function to parse SWU query string to object
* @function swuquery.parse
* @param {string} swuQueryString - an SWU query string
* @returns {QueryObject} elements of an SWU query string
* @example
* swuquery.parse('QARTR𝤆𝤆V5-')
*
* return {
* query: true,
* prefix: {
* required: true,
* parts: [
* '',
* ['', ''],
* ''
* ]
* },
* signbox: [
* { symbol: '' },
* {
* range: ['', ''],
* coord: [500, 500]
* }
* ],
* variance: 5,
* style: true
* }
*/
const parse = swuQueryString => {
const query = typeof swuQueryString === 'string' ? swuQueryString.match(new RegExp(`^${re.full}`)) : undefined;
return {
'query': query ? true : undefined,
'prefix': query && query[1] ? parsePrefix(query[1]) : undefined,
'signbox': query && query[2] ? parseSignbox(query[2]) : undefined,
'variance': query && query[3] ? parseInt(query[3].slice(1)) : undefined,
'style': query && query[4] ? true : undefined
};
};
/**
* Function to compose SWU query string from object
* @function swuquery.compose
* @param {QueryObject} swuQueryObject - an object of query options
* @returns {string} SWU query string
* @example
* swuquery.compose({
* query: true,
* prefix: {
* required: true,
* parts: [
* '',
* ['', ''],
* ''
* ]
* },
* signbox: [
* { symbol: '' },
* {
* range: ['', ''],
* coord: [500, 500]
* }
* ],
* variance: 5,
* style: true
* })
*
* return 'QARTR𝤆𝤆V5-'
*/
const compose = swuQueryObject => {
if (!swuQueryObject || !swuQueryObject.query) {
return undefined;
}
let query = 'Q';
if (swuQueryObject.prefix && swuQueryObject.prefix.required) {
if (Array.isArray(swuQueryObject.prefix.parts)) {
query += 'A';
query += swuQueryObject.prefix.parts.map(part => {
if (typeof part === 'string') {
return part;
} else {
if (Array.isArray(part) && part.length == 2) {
return `R${part[0]}${part[1]}`;
} else if (Array.isArray(part) && part.length > 2 && part[0] == 'or') {
part.shift();
return part.map(part => {
if (typeof part === 'string') {
return part;
} else {
if (Array.isArray(part) && part.length == 2) {
return `R${part[0]}${part[1]}`;
}
}
}).join('o');
}
}
}).join('');
}
query += 'T';
}
if (Array.isArray(swuQueryObject.signbox)) {
query += swuQueryObject.signbox.map(part => {
let out;
if (part.or) {
out = part.or.map(item => {
if (typeof item === 'string') {
return item;
} else {
if (Array.isArray(item) && item.length == 2) {
return `R${item[0]}${item[1]}`;
}
}
}).join('o');
} else if (part.symbol) {
out = part.symbol;
} else {
if (part.range && Array.isArray(part.range) && part.range.length == 2) {
out = `R${part.range[0]}${part.range[1]}`;
}
}
return out + (Array.isArray(part.coord) && part.coord.length == 2 ? coord2swu(part.coord) : '');
}).join('');
}
query += swuQueryObject.style ? '-' : '';
query = query.match(new RegExp(`^${re.full}`))[0];
return query;
};
/**
* Function to convert an SWU sign to a query string
*
* For the flags parameter, use one or more of the following.
* - A: exact symbol in temporal prefix
* - a: general symbol in temporal prefix
* - S: exact symbol in spatial signbox
* - s: general symbol in spatial signbox
* - L: spatial signbox symbol at location
* @function swuquery.swu2query
* @param {string} swuSign - SWU sign
* @param {string} flags - flags for query string creation
* @returns {string} SWU query string
* @example
* swuquery.swu2query('𝠀𝠃𝤟𝤩𝣵𝤐𝤇𝣤𝤐𝤆𝣮𝣭', 'ASL')
*
* return 'QAT𝣵𝤐𝤇𝣤𝤐𝤆𝣮𝣭'
*/
const swu2query = (swuSign, flags) => {
let query = '';
const parsed = parse$1.sign(swuSign);
if (parsed.box) {
const A_flag = flags.indexOf('A') > -1;
const a_flag = flags.indexOf('a') > -1;
const S_flag = flags.indexOf('S') > -1;
const s_flag = flags.indexOf('s') > -1;
const L_flag = flags.indexOf('L') > -1;
if (A_flag || a_flag || S_flag || s_flag) {
if ((A_flag || a_flag) && parsed.sequence) {
query += 'A';
query += parsed.sequence.map(sym => sym + (a_flag ? 'fr' : '')).join('');
query += 'T';
}
if ((S_flag || s_flag) && parsed.spatials) {
query += parsed.spatials.map(spatial => spatial.symbol + (s_flag ? 'fr' : '') + (L_flag ? coord2swu(spatial.coord) : '')).join('');
}
}
return query ? "Q" + query : undefined;
} else {
return undefined;
}
};
//needs rewritten, but it works
/**
* Function to transform a range of SWU characters to a regular expression
* @function swuquery.range
* @param {string} min - an SWU character
* @param {string} max - an SWU character
* @returns {string} a regular expression that matches a range of SWU characters
* @example
* swuquery.range('', '')
*
* return '\uD8C0[\uDC01-\uDDE1]'
* @example
* swuquery.range('𝣔', '𝤸')
*
* return '\uD836[\uDCD4-\uDD38]'
*/
const range = (min, max) => {
if (min > max) return '';
let pattern = '';
let cnt;
let re = [];
min = pair(min);
max = pair(max);
if (min.length != 2 && max.length != 2) return '';
// HEAD // min[0] with range of min[1] to (DFFF or max[1])
if (min[0] == max[0]) {
if (min[1] == max[1]) {
pattern = '\\u' + min[0] + '\\u' + min[1];
re.push(pattern);
} else {
pattern = '\\u' + min[0] + '[\\u' + min[1] + '-\\u' + max[1] + ']';
re.push(pattern);
}
} else {
if (min[1] == "DFFF") {
pattern = '\\u' + min[0] + '\\uDFFF';
} else {
pattern = '\\u' + min[0] + '[\\u' + min[1] + '-\\uDFFF]';
}
re.push(pattern);
// BODY // range of (min[0] +1) to (max[0] -1) with all DC00-DFFF
let diff = parseInt(max[0], 16) - parseInt(min[0], 16);
if (diff == 2) {
pattern = '\\u' + (parseInt(min[0], 16) + 1).toString(16).toUpperCase();
pattern += '[\\uDC00-\\uDFFF]';
re.push(pattern);
}
if (diff > 2) {
pattern = '[';
pattern += '\\u' + (parseInt(min[0], 16) + 1).toString(16).toUpperCase();
pattern += '-\\u' + (parseInt(max[0], 16) - 1).toString(16).toUpperCase();
pattern += '][\\uDC00-\\uDFFF]';
re.push(pattern);
}
// TAIL // max[0] with range of DC00 to max[1]
if (max[1] == "DC00") {
pattern = '\\u' + max[0] + '\\uDC00';
} else {
pattern = '\\u' + max[0] + '[\\uDC00-\\u' + max[1] + ']';
}
re.push(pattern);
}
cnt = re.length;
if (cnt == 1) {
pattern = re[0];
} else {
pattern = re.join(')|(');
pattern = '((' + pattern + '))';
}
return decode(pattern);
};
//needs rewritten, but it works
/**
* Function to transform an SWU symbol with fill and rotation flags to a regular expression
* @function swuquery.symbolRanges
* @param {string} symbolFR - an SWU character with optional flags of 'f' for any fill and 'r' for any rotation
* @returns {string} a regular expression that matches one or more ranges of SWU symbols
* @example <caption>Match an exact symbol</caption>
* swuquery.symbolRanges('')
*
* return '\uD8C0\uDC01');
* @example <caption>Match a symbol with any fill</caption>
* swuquery.symbolRanges('f')
*
* return '(\uD8C0\uDC01|\uD8C0\uDC11|\uD8C0\uDC21|\uD8C0\uDC31|\uD8C0\uDC41|\uD8C0\uDC51)'
* @example <caption>Match a symbol with any rotation</caption>
* swuquery.symbolRanges('r')
*
* return '\uD8C0[\uDC01-\uDC10]'
* @example <caption>Match a symbol with any fill or rotation</caption>
* swuquery.symbolRanges('fr')
*
* return '\uD8C0[\uDC01-\uDC60]'
*/
const symbolRanges = symbolFR => {
let match = symbolFR.match(new RegExp(re.symbol));
if (match) {
let sym = match[0].slice(0, 2);
let key = swu2key(sym);
let base = key.slice(0, 4);
let start, end;
if (match[0].slice(-2) == 'fr') {
start = key2swu(base + "00");
end = key2swu(base + "5f");
return range(start, end);
} else if (match[0].slice(-1) == 'r') {
start = key2swu(key.slice(0, 5) + '0');
end = key2swu(key.slice(0, 5) + 'f');
return range(start, end);
} else if (match[0].slice(-1) == 'f') {
let list = [0, 1, 2, 3, 4, 5].map(function (f) {
return key2swu(base + f + key.slice(-1));
});
return "(" + list.join("|") + ")";
} else {
return sym;
}
} else {
return '';
}
};
const regexRange = symRange => {
let from = swu2key(symRange.slice(1, 3));
let to = swu2key(symRange.slice(-2));
from = key2swu(from.slice(0, 4) + '00');
to = key2swu(to.slice(0, 4) + '5f');
return range(from, to);
};
//needs rewritten, but it works
/**
* Function to transform an SWU query string to one or more regular expressions
* @function swuquery.regex
* @param {string} query - an SWU query string
* @returns {string[]} an array of one or more regular expressions
* @example
* swuquery.regex('QAT')
*
* return [
* '(\uD836\uDC00\uD8C0\uDC12((?:(?:\uD8C0[\uDC01-\uDFFF])|(?:[\uD8C1-\uD8FC][\uDC00-\uDFFF])|(?:\uD8FD[\uDC00-\uDC80])))*)\uD836[\uDC01-\uDC04](?:\uD836[\uDC0C-\uDDFF]){2}((?:(?:\uD8C0[\uDC01-\uDFFF])|(?:[\uD8C1-\uD8FC][\uDC00-\uDFFF])|(?:\uD8FD[\uDC00-\uDC80]))(?:\uD836[\uDC0C-\uDDFF]){2})*'
* ]
*/
const regex = query => {
query = query.match(new RegExp(`^${re.full}`))[0];
if (!query) {
return '';
}
let matches;
let matchesOr;
let matched;
let orList;
let i;
let j;
let coord;
let segment;
let x;
let y;
let fuzz = 20;
let re_word = re$2.box + re$2.coord + '(?:' + re$2.symbol + re$2.coord + ')*';
let re_sortable = '(?:' + re$2.sort + re$2.nullorsymbol + '+)';
let q_var = '(?:V[0-9]+)';
let q_style = '(?:' + re$3.full + ')?';
let q_sortable;
if (query == 'Q') {
return [re$2.sign];
}
if (query == 'Q-') {
return [re$2.sign + "(" + re$3.full + ")?"];
}
if (query == 'QT') {
return [re$2.sortable];
}
if (query == 'QT-') {
return [re$2.sortable + "(" + re$3.full + ")?"];
}
let segments = [];
let sortable = query.indexOf('T') + 1;
if (sortable) {
q_sortable = '(?:' + re$2.sort;
let qat = query.slice(0, sortable);
query = query.replace(qat, '');
if (qat == 'QT') {
q_sortable += re$2.nullorsymbol + '+)';
} else {
matches = qat.match(new RegExp(re.list, 'g'));
if (matches) {
for (i = 0; i < matches.length; i += 1) {
orList = [];
matchesOr = matches[i].match(new RegExp(re.item, 'g'));
if (matchesOr) {
for (j = 0; j < matchesOr.length; j += 1) {
matched = matchesOr[j].match(new RegExp(re.range));
if (matched) {
orList.push(regexRange(matchesOr[j]));
} else {
orList.push(symbolRanges(matchesOr[j]));
}
}
if (orList.length == 1) {
q_sortable += orList[0];
} else {
q_sortable += '(?:' + orList.join('|') + ')';
}
}
}
q_sortable += re$2.nullorsymbol + '*)';
}
}
}
//get the variance
matches = query.match(new RegExp(q_var, 'g'));
if (matches) {
fuzz = matches.toString().slice(1) * 1;
}
//this gets all symbols and ranges with or without location
matches = query.match(new RegExp(re.list + re.coord, 'g'));
if (matches) {
for (i = 0; i < matches.length; i += 1) {
orList = [];
matchesOr = matches[i].match(new RegExp('(' + re.range + '|' + re.symbol + ')', 'g'));
if (matchesOr) {
for (j = 0; j < matchesOr.length; j += 1) {
matched = matchesOr[j].match(new RegExp(re.range));
if (matched) {
orList.push(regexRange(matchesOr[j]));
} else {
orList.push(symbolRanges(matchesOr[j]));
}
}
if (orList.length == 1) {
segment = orList[0];
} else {
segment = '(?:' + orList.join('|') + ')';
}
}
coord = matches[i].match(new RegExp(`${re$2.coord}`));
if (coord) {
coord = swu2coord(coord[0]);
x = coord[0];
y = coord[1];
segment += range(num2swu(x - fuzz), num2swu(x + fuzz));
segment += range(num2swu(y - fuzz), num2swu(y + fuzz));
} else {
segment += re$2.coord;
}
// add to general swu word
segment = re_word + segment + '(?:' + re$2.symbol + re$2.coord + ')*';
if (sortable) {
segment = q_sortable + segment;
} else {
segment = re_sortable + "?" + segment;
}
if (query.indexOf('-') > 0) {
segment += q_style;
}
segments.push(segment);
}
}
if (!segments.length) {
if (query.indexOf('-') > 0) {
segment += q_style;
}
segments.push(q_sortable + re_word);
}
return segments;
};
//needs rewritten, but it works
/**
* Function that uses a query string to match signs from a string of text.
* @function swuquery.results
* @param {string} query - an SWU query string
* @param {string} text - a string of text containing multiple signs
* @returns {string[]} an array of SWU signs
* @example
* swuquery.results('QAT','𝠀𝠃𝤟𝤩𝣵𝤐𝤇𝣤𝤐𝤆𝣮𝣭 𝠀𝠃𝤛𝤬𝤀𝣺𝤄𝣻𝤄𝤗𝤃𝣟𝣱𝣸 𝠀𝠃𝤙𝤞𝣷𝤀𝣼𝤀𝣳𝣮')
*
* return [
* '𝠀𝠃𝤟𝤩𝣵𝤐𝤇𝣤𝤐𝤆𝣮𝣭'
* ]
*/
const results = (query, text) => {
if (!text) {
return [];
}
let pattern;
let matches;
let parts;
let words;
let res = regex(query);
if (!res) {
return [];
}
let i;
for (i = 0; i < res.length; i += 1) {
pattern = res[i];
matches = text.match(new RegExp(pattern, 'g'));
if (matches) {
text = matches.join(' ');
} else {
text = '';
}
}
if (text) {
parts = text.split(' ');
words = parts.filter(function (element) {
return element in parts ? false : parts[element] = true;
}, {});
} else {
words = [];
}
return words;
};
//needs rewritten, but it works
/**
* Function that uses an SWU query string to match signs from multiple lines of text.
* @function swuquery.lines
* @param {string} query - an SWU query string
* @param {string} text - multiple lines of text, each starting with an SWU sign
* @returns {string[]} an array of lines of text, each starting with an SWU sign
* @example
* swuquery.lines('QAT',`𝠀𝠃𝤟𝤩𝣵𝤐𝤇𝣤𝤐𝤆𝣮𝣭 line one
* 𝠀𝠃𝤛𝤬𝤀𝣺𝤄𝣻𝤄𝤗𝤃𝣟𝣱𝣸 line two
* 𝠀𝠃𝤙𝤞𝣷𝤀𝣼𝤀𝣳𝣮 line three`)
*
* return [
* '𝠀𝠃𝤟𝤩𝣵𝤐𝤇𝣤𝤐𝤆𝣮𝣭 line one'
* ]
*/
const lines = (query, text) => {
if (!text) {
return [];
}
let pattern;
let matches;
let parts;
let words;
let res = regex(query);
if (!res) {
return [];
}
let i;
for (i = 0; i < res.length; i += 1) {
pattern = res[i];
pattern = '^' + pattern + '.*';
matches = text.match(new RegExp(pattern, 'mg'));
if (matches) {
text = matches.join("\n");
} else {
text = '';
}
}
if (text) {
parts = text.split("\n");
words = parts.filter(function (element) {
return element in parts ? false : parts[element] = true;
}, {});
} else {
words = [];
}
return words;
};
/** The swuquery module contains functions for handling the SWU query language.
* [Query Language definition](https://tools.ietf.org/id/draft-slevinski-formal-signwriting-09.html#name-query-language)
* @module swuquery
*/
var index = /*#__PURE__*/Object.freeze({
__proto__: null,
re: re,
parse: parse,
compose: compose,
swu2query: swu2query,
range: range,
symbolRanges: symbolRanges,
regex: regex,
results: results,
lines: lines
});
exports.convert = index$4;
exports.fsw = index$3;
exports.fswquery = index$2;
exports.style = index$5;
exports.swu = index$1;
exports.swuquery = index;
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