File: /var/www/quadcode/frontend/node_modules/highcharts/es-modules/Data/Parsers/CSVParser.js
/* *
*
* (c) 2012-2021 Highsoft AS
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* Authors:
* - Torstein Hønsi
* - Christer Vasseng
* - Gøran Slettemark
* - Sophie Bremer
*
* */
'use strict';
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
import DataParser from './DataParser.js';
import DataConverter from '../DataConverter.js';
import U from '../../Core/Utilities.js';
var merge = U.merge;
/* eslint-disable no-invalid-this, require-jsdoc, valid-jsdoc */
/**
* Handles parsing and transforming CSV to a table.
*
* @private
*/
var CSVParser = /** @class */ (function (_super) {
__extends(CSVParser, _super);
/* *
*
* Constructor
*
* */
/**
* Constructs an instance of the CSV parser.
*
* @param {CSVParser.OptionsType} [options]
* Options for the CSV parser.
*
* @param {DataConverter} converter
* Parser data converter.
*/
function CSVParser(options, converter) {
var _this = _super.call(this) || this;
/* *
*
* Properties
*
* */
_this.columns = [];
_this.headers = [];
_this.dataTypes = [];
_this.options = merge(CSVParser.defaultOptions, options);
_this.converter = converter || new DataConverter();
return _this;
}
/**
* Initiates parsing of CSV
*
* @param {CSVParser.OptionsType}[options]
* Options for the parser
*
* @param {DataEventEmitter.EventDetail} [eventDetail]
* Custom information for pending events.
*
* @emits CSVDataParser#parse
* @emits CSVDataParser#afterParse
*/
CSVParser.prototype.parse = function (options, eventDetail) {
var parser = this, dataTypes = parser.dataTypes, converter = parser.converter, parserOptions = merge(this.options, options), beforeParse = parserOptions.beforeParse, lineDelimiter = parserOptions.lineDelimiter, firstRowAsNames = parserOptions.firstRowAsNames, itemDelimiter = parserOptions.itemDelimiter;
var lines, rowIt = 0, csv = parserOptions.csv, startRow = parserOptions.startRow, endRow = parserOptions.endRow, column;
parser.columns = [];
parser.emit({
type: 'parse',
columns: parser.columns,
detail: eventDetail,
headers: parser.headers
});
if (csv && beforeParse) {
csv = beforeParse(csv);
}
if (csv) {
lines = csv
.replace(/\r\n/g, '\n') // Unix
.replace(/\r/g, '\n') // Mac
.split(lineDelimiter || '\n');
if (!startRow || startRow < 0) {
startRow = 0;
}
if (!endRow || endRow >= lines.length) {
endRow = lines.length - 1;
}
if (!itemDelimiter) {
parser.guessedItemDelimiter = parser.guessDelimiter(lines);
}
// If the first row contain names, add them to the
// headers array and skip the row.
if (firstRowAsNames) {
var headers = lines[0]
.split(itemDelimiter || parser.guessedItemDelimiter || ',');
// Remove ""s from the headers
for (var i = 0; i < headers.length; i++) {
headers[i] = headers[i].replace(/^["']|["']$/g, '');
}
parser.headers = headers;
startRow++;
}
var offset = 0;
for (rowIt = startRow; rowIt <= endRow; rowIt++) {
if (lines[rowIt][0] === '#') {
offset++;
}
else {
parser.parseCSVRow(lines[rowIt], rowIt - startRow - offset);
}
}
if (dataTypes.length &&
dataTypes[0].length &&
dataTypes[0][1] === 'date' && // format is a string date
!parser.converter.getDateFormat()) {
parser.converter.deduceDateFormat(parser.columns[0], null, true);
}
// Guess types.
for (var i = 0, iEnd = parser.columns.length; i < iEnd; ++i) {
column = parser.columns[i];
for (var j = 0, jEnd = column.length; j < jEnd; ++j) {
if (column[j] && typeof column[j] === 'string') {
var cellValue = converter.asGuessedType(column[j]);
if (cellValue instanceof Date) {
cellValue = cellValue.getTime();
}
parser.columns[i][j] = cellValue;
}
}
}
}
parser.emit({
type: 'afterParse',
columns: parser.columns,
detail: eventDetail,
headers: parser.headers
});
};
/**
* Internal method that parses a single CSV row
*/
CSVParser.prototype.parseCSVRow = function (columnStr, rowNumber) {
var parser = this, converter = this.converter, columns = parser.columns || [], dataTypes = parser.dataTypes, _a = parser.options, startColumn = _a.startColumn, endColumn = _a.endColumn, itemDelimiter = (parser.options.itemDelimiter ||
parser.guessedItemDelimiter);
var decimalPoint = parser.options.decimalPoint;
if (!decimalPoint || decimalPoint === itemDelimiter) {
decimalPoint = parser.guessedDecimalPoint || '.';
}
var i = 0, c = '', cl = '', cn = '', token = '', actualColumn = 0, column = 0;
/**
* @private
*/
function read(j) {
c = columnStr[j];
cl = columnStr[j - 1];
cn = columnStr[j + 1];
}
/**
* @private
*/
function pushType(type) {
if (dataTypes.length < column + 1) {
dataTypes.push([type]);
}
if (dataTypes[column][dataTypes[column].length - 1] !== type) {
dataTypes[column].push(type);
}
}
/**
* @private
*/
function push() {
if (startColumn > actualColumn || actualColumn > endColumn) {
// Skip this column, but increment the column count (#7272)
++actualColumn;
token = '';
return;
}
// Save the type of the token.
if (typeof token === 'string') {
if (!isNaN(parseFloat(token)) && isFinite(token)) {
token = parseFloat(token);
pushType('number');
}
else if (!isNaN(Date.parse(token))) {
token = token.replace(/\//g, '-');
pushType('date');
}
else {
pushType('string');
}
}
else {
pushType('number');
}
if (columns.length < column + 1) {
columns.push([]);
}
// Try to apply the decimal point, and check if the token then is a
// number. If not, reapply the initial value
if (typeof token !== 'number' &&
converter.guessType(token) !== 'number' &&
decimalPoint) {
var initialValue = token;
token = token.replace(decimalPoint, '.');
if (converter.guessType(token) !== 'number') {
token = initialValue;
}
}
columns[column][rowNumber] = token;
token = '';
++column;
++actualColumn;
}
if (!columnStr.trim().length) {
return;
}
if (columnStr.trim()[0] === '#') {
return;
}
for (; i < columnStr.length; i++) {
read(i);
if (c === '#') {
// If there are hexvalues remaining (#13283)
if (!/^#[0-F]{3,3}|[0-F]{6,6}/i.test(columnStr.substr(i))) {
// The rest of the row is a comment
push();
return;
}
}
// Quoted string
if (c === '"') {
read(++i);
while (i < columnStr.length) {
if (c === '"' && cl !== '"' && cn !== '"') {
break;
}
if (c !== '"' || (c === '"' && cl !== '"')) {
token += c;
}
read(++i);
}
}
else if (c === itemDelimiter) {
push();
// Actual column data
}
else {
token += c;
}
}
push();
};
/**
* Internal method that guesses the delimiter from the first
* 13 lines of the CSV
* @param {Array<string>} lines
* The CSV, split into lines
*/
CSVParser.prototype.guessDelimiter = function (lines) {
var points = 0, commas = 0, guessed;
var potDelimiters = {
',': 0,
';': 0,
'\t': 0
}, linesCount = lines.length;
for (var i = 0; i < linesCount; i++) {
var inStr = false, c = void 0, cn = void 0, cl = void 0, token = '';
// We should be able to detect dateformats within 13 rows
if (i > 13) {
break;
}
var columnStr = lines[i];
for (var j = 0; j < columnStr.length; j++) {
c = columnStr[j];
cn = columnStr[j + 1];
cl = columnStr[j - 1];
if (c === '#') {
// Skip the rest of the line - it's a comment
break;
}
if (c === '"') {
if (inStr) {
if (cl !== '"' && cn !== '"') {
while (cn === ' ' && j < columnStr.length) {
cn = columnStr[++j];
}
// After parsing a string, the next non-blank
// should be a delimiter if the CSV is properly
// formed.
if (typeof potDelimiters[cn] !== 'undefined') {
potDelimiters[cn]++;
}
inStr = false;
}
}
else {
inStr = true;
}
}
else if (typeof potDelimiters[c] !== 'undefined') {
token = token.trim();
if (!isNaN(Date.parse(token))) {
potDelimiters[c]++;
}
else if (isNaN(Number(token)) ||
!isFinite(Number(token))) {
potDelimiters[c]++;
}
token = '';
}
else {
token += c;
}
if (c === ',') {
commas++;
}
if (c === '.') {
points++;
}
}
}
// Count the potential delimiters.
// This could be improved by checking if the number of delimiters
// equals the number of columns - 1
if (potDelimiters[';'] > potDelimiters[',']) {
guessed = ';';
}
else if (potDelimiters[','] > potDelimiters[';']) {
guessed = ',';
}
else {
// No good guess could be made..
guessed = ',';
}
// Try to deduce the decimal point if it's not explicitly set.
// If both commas or points is > 0 there is likely an issue
if (points > commas) {
this.guessedDecimalPoint = '.';
}
else {
this.guessedDecimalPoint = ',';
}
return guessed;
};
/**
* Handles converting the parsed data to a table.
*
* @return {DataTable}
* Table from the parsed CSV.
*/
CSVParser.prototype.getTable = function () {
return DataParser.getTableFromColumns(this.columns, this.headers);
};
/* *
*
* Static Properties
*
* */
/**
* Default options
*/
CSVParser.defaultOptions = __assign(__assign({}, DataParser.defaultOptions), { lineDelimiter: '\n' });
return CSVParser;
}(DataParser));
/* *
*
* Export
*
* */
export default CSVParser;