[whitespace][xs]: .
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Rufus Pollock
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670eb1e1de
commit
de185c25b8
@ -35,128 +35,128 @@ this.recline.Backend = this.recline.Backend || {};
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return dataset;
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};
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// Converts a Comma Separated Values string into an array of arrays.
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// Each line in the CSV becomes an array.
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// Converts a Comma Separated Values string into an array of arrays.
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// Each line in the CSV becomes an array.
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//
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// Empty fields are converted to nulls and non-quoted numbers are converted to integers or floats.
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// Empty fields are converted to nulls and non-quoted numbers are converted to integers or floats.
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//
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// @return The CSV parsed as an array
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// @type Array
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//
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// @param {String} s The string to convert
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// @param {Boolean} [trm=false] If set to True leading and trailing whitespace is stripped off of each non-quoted field as it is imported
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// @return The CSV parsed as an array
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// @type Array
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//
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// @param {String} s The string to convert
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// @param {Boolean} [trm=false] If set to True leading and trailing whitespace is stripped off of each non-quoted field as it is imported
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//
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// Heavily based on uselesscode's JS CSV parser (MIT Licensed):
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// thttp://www.uselesscode.org/javascript/csv/
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my.parseCSV= function(s, trm) {
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// Get rid of any trailing \n
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s = chomp(s);
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my.parseCSV= function(s, trm) {
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// Get rid of any trailing \n
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s = chomp(s);
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var cur = '', // The character we are currently processing.
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inQuote = false,
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fieldQuoted = false,
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field = '', // Buffer for building up the current field
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row = [],
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out = [],
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i,
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processField;
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var cur = '', // The character we are currently processing.
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inQuote = false,
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fieldQuoted = false,
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field = '', // Buffer for building up the current field
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row = [],
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out = [],
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i,
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processField;
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processField = function (field) {
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if (fieldQuoted !== true) {
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// If field is empty set to null
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if (field === '') {
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field = null;
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// If the field was not quoted and we are trimming fields, trim it
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} else if (trm === true) {
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field = trim(field);
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}
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processField = function (field) {
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if (fieldQuoted !== true) {
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// If field is empty set to null
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if (field === '') {
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field = null;
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// If the field was not quoted and we are trimming fields, trim it
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} else if (trm === true) {
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field = trim(field);
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}
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// Convert unquoted numbers to their appropriate types
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if (rxIsInt.test(field)) {
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field = parseInt(field, 10);
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} else if (rxIsFloat.test(field)) {
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field = parseFloat(field, 10);
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}
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}
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return field;
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};
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// Convert unquoted numbers to their appropriate types
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if (rxIsInt.test(field)) {
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field = parseInt(field, 10);
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} else if (rxIsFloat.test(field)) {
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field = parseFloat(field, 10);
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}
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}
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return field;
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};
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for (i = 0; i < s.length; i += 1) {
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cur = s.charAt(i);
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for (i = 0; i < s.length; i += 1) {
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cur = s.charAt(i);
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// If we are at a EOF or EOR
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if (inQuote === false && (cur === ',' || cur === "\n")) {
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field = processField(field);
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// Add the current field to the current row
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row.push(field);
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// If this is EOR append row to output and flush row
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if (cur === "\n") {
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out.push(row);
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row = [];
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}
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// Flush the field buffer
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field = '';
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fieldQuoted = false;
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} else {
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// If it's not a ", add it to the field buffer
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if (cur !== '"') {
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field += cur;
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} else {
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if (!inQuote) {
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// We are not in a quote, start a quote
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inQuote = true;
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fieldQuoted = true;
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} else {
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// Next char is ", this is an escaped "
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if (s.charAt(i + 1) === '"') {
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field += '"';
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// Skip the next char
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i += 1;
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} else {
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// It's not escaping, so end quote
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inQuote = false;
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}
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}
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}
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}
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}
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// If we are at a EOF or EOR
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if (inQuote === false && (cur === ',' || cur === "\n")) {
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field = processField(field);
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// Add the current field to the current row
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row.push(field);
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// If this is EOR append row to output and flush row
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if (cur === "\n") {
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out.push(row);
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row = [];
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}
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// Flush the field buffer
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field = '';
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fieldQuoted = false;
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} else {
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// If it's not a ", add it to the field buffer
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if (cur !== '"') {
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field += cur;
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} else {
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if (!inQuote) {
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// We are not in a quote, start a quote
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inQuote = true;
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fieldQuoted = true;
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} else {
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// Next char is ", this is an escaped "
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if (s.charAt(i + 1) === '"') {
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field += '"';
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// Skip the next char
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i += 1;
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} else {
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// It's not escaping, so end quote
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inQuote = false;
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}
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}
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}
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}
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}
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// Add the last field
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field = processField(field);
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row.push(field);
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out.push(row);
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// Add the last field
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field = processField(field);
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row.push(field);
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out.push(row);
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return out;
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};
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return out;
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};
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var rxIsInt = /^\d+$/,
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rxIsFloat = /^\d*\.\d+$|^\d+\.\d*$/,
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// If a string has leading or trailing space,
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// contains a comma double quote or a newline
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// it needs to be quoted in CSV output
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rxNeedsQuoting = /^\s|\s$|,|"|\n/,
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trim = (function () {
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// Fx 3.1 has a native trim function, it's about 10x faster, use it if it exists
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if (String.prototype.trim) {
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return function (s) {
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return s.trim();
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};
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} else {
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return function (s) {
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return s.replace(/^\s*/, '').replace(/\s*$/, '');
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};
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}
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}());
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var rxIsInt = /^\d+$/,
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rxIsFloat = /^\d*\.\d+$|^\d+\.\d*$/,
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// If a string has leading or trailing space,
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// contains a comma double quote or a newline
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// it needs to be quoted in CSV output
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rxNeedsQuoting = /^\s|\s$|,|"|\n/,
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trim = (function () {
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// Fx 3.1 has a native trim function, it's about 10x faster, use it if it exists
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if (String.prototype.trim) {
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return function (s) {
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return s.trim();
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};
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} else {
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return function (s) {
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return s.replace(/^\s*/, '').replace(/\s*$/, '');
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};
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}
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}());
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function chomp(s) {
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if (s.charAt(s.length - 1) !== "\n") {
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// Does not end with \n, just return string
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return s;
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} else {
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// Remove the \n
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return s.substring(0, s.length - 1);
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}
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}
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function chomp(s) {
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if (s.charAt(s.length - 1) !== "\n") {
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// Does not end with \n, just return string
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return s;
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} else {
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// Remove the \n
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return s.substring(0, s.length - 1);
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}
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}
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}(jQuery, this.recline.Backend));
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