UNPKG

csvtojson

Version:

A tool concentrating on converting csv data to JSON with customised parser supporting

682 lines (681 loc) 27.2 kB
<!doctype html> <html lang="en"> <head> <title>Code coverage report for rowSplit.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="prettify.css" /> <link rel="stylesheet" href="base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="index.html">All files</a> rowSplit.ts </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Statements</span> <span class='fraction'>119/119</span> </div> <div class='fl pad1y space-right2'> <span class="strong">94.74% </span> <span class="quiet">Branches</span> <span class='fraction'>54/57</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Functions</span> <span class='fraction'>11/11</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Lines</span> <span class='fraction'>118/118</span> </div> </div> <p class="quiet"> Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block. </p> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a href='#L9'>9</a> <a name='L10'></a><a href='#L10'>10</a> <a name='L11'></a><a href='#L11'>11</a> <a name='L12'></a><a href='#L12'>12</a> <a name='L13'></a><a href='#L13'>13</a> <a name='L14'></a><a href='#L14'>14</a> <a name='L15'></a><a href='#L15'>15</a> <a name='L16'></a><a 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cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">import { CSVParseParam } from "./Parameters"; import { Converter } from "./Converter"; import { Fileline } from "./fileline"; import getEol from "./getEol"; import { filterArray } from "./util"; &nbsp; const defaulDelimiters = [",", "|", "\t", ";", ":"]; export class RowSplit { private quote: string; private trim: boolean; private escape: string; private cachedRegExp: { [key: string]: RegExp } = {}; private delimiterEmitted = false; private _needEmitDelimiter?: boolean = undefined; private get needEmitDelimiter() { if (this._needEmitDelimiter === undefined) { this._needEmitDelimiter = this.conv.listeners("delimiter").length &gt; 0; } return this._needEmitDelimiter; } constructor(private conv: Converter) { this.quote = conv.parseParam.quote; this.trim = conv.parseParam.trim; this.escape = conv.parseParam.escape; } parse(fileline: Fileline): RowSplitResult { if (fileline === "") { return { cells: [], closed: true }; } const quote = this.quote; const trim = this.trim; const escape = this.escape; if (this.conv.parseRuntime.delimiter instanceof Array || this.conv.parseRuntime.delimiter.toLowerCase() === "auto") { this.conv.parseRuntime.delimiter = this.getDelimiter(fileline); &nbsp; } if (this.needEmitDelimiter &amp;&amp; !this.delimiterEmitted) { this.conv.emit("delimiter", this.conv.parseRuntime.delimiter); this.delimiterEmitted = true; } const delimiter = this.conv.parseRuntime.delimiter; const rowArr = fileline.split(delimiter); if (quote === "off") { <span class="missing-if-branch" title="else path not taken" >E</span>if (trim){ for (let i =0;i&lt;rowArr.length;i++){ rowArr[i]=rowArr[i].trim(); } } return { cells: rowArr, closed: true }; } else { return this.toCSVRow(rowArr, trim, quote, delimiter); } &nbsp; } private toCSVRow(rowArr: string[], trim: boolean, quote: string, delimiter: string): RowSplitResult { const row: string[] = []; let inquote = false; let quoteBuff = ''; for (let i = 0, rowLen = rowArr.length; i &lt; rowLen; i++) { let e = rowArr[i]; if (!inquote &amp;&amp; trim) { e = e.trimLeft(); } const len = e.length; if (!inquote) { if (this.isQuoteOpen(e)) { //quote open e = e.substr(1); if (this.isQuoteClose(e)) { //quote close e = e.substring(0, e.lastIndexOf(quote)); e = this.escapeQuote(e); row.push(e); continue; } else { inquote = true; quoteBuff += e; continue; } } else { if (trim) { e = e.trimRight(); } row.push(e); continue; } } else { //previous quote not closed if (this.isQuoteClose(e)) { //close double quote inquote = false; e = e.substr(0, len - 1); quoteBuff += delimiter + e; quoteBuff = this.escapeQuote(quoteBuff); <span class="missing-if-branch" title="else path not taken" >E</span>if (trim) { quoteBuff = quoteBuff.trimRight(); } row.push(quoteBuff); quoteBuff = ""; } else { quoteBuff += delimiter + e; } } } &nbsp; // if (!inquote &amp;&amp; param._needFilterRow) { // row = filterRow(row, param); // } &nbsp; return { cells: row, closed: !inquote }; } private getDelimiter(fileline: Fileline): string { let checker; if (this.conv.parseParam.delimiter === "auto") { checker = defaulDelimiters; } else if (this.conv.parseParam.delimiter instanceof Array) { checker = this.conv.parseParam.delimiter; } else { return this.conv.parseParam.delimiter; } let count = 0; let rtn = ","; checker.forEach(function (delim) { const delimCount = fileline.split(delim).length; if (delimCount &gt; count) { rtn = delim; count = delimCount; } }); return rtn; } private isQuoteOpen(str: string): boolean { const quote = this.quote; const escape = this.escape; return str[0] === quote &amp;&amp; ( str[1] !== quote || str[1] === escape &amp;&amp; (str[2] === quote || str.length === 2)); } private isQuoteClose(str: string): boolean { const quote = this.quote; const escape = this.escape; if (this.conv.parseParam.trim) { str = str.trimRight(); } let count = 0; let idx = str.length - 1; while (str[idx] === quote || str[idx] === escape) { idx--; count++; } return count % 2 !== 0; } &nbsp; // private twoDoubleQuote(str: string): string { // var twoQuote = this.quote + this.quote; // var curIndex = -1; // while ((curIndex = str.indexOf(twoQuote, curIndex)) &gt; -1) { // str = str.substring(0, curIndex) + str.substring(++curIndex); // } // return str; // } &nbsp; &nbsp; private escapeQuote(segment: string): string { const key = "es|" + this.quote + "|" + this.escape; if (this.cachedRegExp[key] === undefined) { this.cachedRegExp[key] = new RegExp('\\' + this.escape + '\\' + this.quote, 'g'); } const regExp = this.cachedRegExp[key]; // console.log(regExp,segment); return segment.replace(regExp, this.quote); } parseMultiLines(lines: Fileline[]): MultipleRowResult { const csvLines: string[][] = []; let left = ""; while (lines.length) { const line = left + lines.shift(); const row = this.parse(line); if (row.closed || this.conv.parseParam.alwaysSplitAtEOL) { if (this.conv.parseRuntime.selectedColumns) { csvLines.push(filterArray(row.cells, this.conv.parseRuntime.selectedColumns)); } else { csvLines.push(row.cells); } &nbsp; left = ""; } else { left = line + (getEol(line, this.conv.parseRuntime) || <span class="branch-1 cbranch-no" title="branch not covered" >"\n")</span>; } } return { rowsCells: csvLines, partial: left }; } } export interface MultipleRowResult { rowsCells: string[][]; partial: string; } export interface RowSplitResult { /** * csv row array. ["a","b","c"] */ cells: string[], /** * if the passed fileline is a complete row */ closed: boolean } &nbsp; &nbsp;</pre></td></tr> </table></pre> <div class='push'></div><!-- for sticky footer --> </div><!-- /wrapper --> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Thu May 17 2018 01:25:26 GMT+0100 (IST) </div> </div> <script src="prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="sorter.js"></script> <script src="block-navigation.js"></script> </body> </html>