Merge branch 'JustAnotherMark-totable-operation'

This commit is contained in:
n1474335 2018-05-04 16:10:39 +00:00
commit addb2b4448
5 changed files with 212 additions and 10 deletions

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@ -737,37 +737,43 @@ const Utils = {
* Parses CSV data and returns it as a two dimensional array or strings.
*
* @param {string} data
* @param {string[]} [cellDelims=[","]]
* @param {string[]} [lineDelims=["\n", "\r"]]
* @returns {string[][]}
*
* @example
* // returns [["head1", "head2"], ["data1", "data2"]]
* Utils.parseCSV("head1,head2\ndata1,data2");
*/
parseCSV: function(data) {
parseCSV: function(data, cellDelims=[","], lineDelims=["\n", "\r"]) {
let b,
ignoreNext = false,
next,
renderNext = false,
inString = false,
cell = "",
line = [],
lines = [];
// Remove BOM, often present in Excel CSV files
if (data.length && data[0] === "\uFEFF") data = data.substr(1);
for (let i = 0; i < data.length; i++) {
b = data[i];
if (ignoreNext) {
next = data[i+1] || "";
if (renderNext) {
cell += b;
ignoreNext = false;
renderNext = false;
} else if (b === "\\") {
cell += b;
ignoreNext = true;
renderNext = true;
} else if (b === "\"" && !inString) {
inString = true;
} else if (b === "\"" && inString) {
inString = false;
} else if (b === "," && !inString) {
if (next === "\"") renderNext = true;
else inString = false;
} else if (!inString && cellDelims.indexOf(b) >= 0) {
line.push(cell);
cell = "";
} else if ((b === "\n" || b === "\r") && !inString) {
} else if (!inString && lineDelims.indexOf(b) >= 0) {
line.push(cell);
cell = "";
lines.push(line);

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@ -182,6 +182,7 @@ const Categories = [
"To Lower case",
"Add line numbers",
"Remove line numbers",
"To Table",
"Reverse",
"Sort",
"Unique",

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@ -37,6 +37,7 @@ import SeqUtils from "../operations/SeqUtils.js";
import Shellcode from "../operations/Shellcode.js";
import StrUtils from "../operations/StrUtils.js";
import Tidy from "../operations/Tidy.js";
import ToTable from "../operations/ToTable.js";
import Unicode from "../operations/Unicode.js";
import URL_ from "../operations/URL.js";
@ -613,6 +614,34 @@ const OperationConfig = {
}
]
},
"To Table": {
module: "Default",
description: "Data can be split on different characters and rendered as an HTML or ASCII table with an optional header row.<br><br>Supports the CSV (Comma Separated Values) file format by default. Change the cell delimiter argument to <code>\\t</code> to support TSV (Tab Separated Values) or <code>|</code> for PSV (Pipe Separated Values).<br><br>You can enter as many delimiters as you like. Each character will be treat as a separate possible delimiter.",
inputType: "string",
outputType: "html",
args: [
{
name: "Cell delimiters",
type: "binaryShortString",
value: ","
},
{
name: "Row delimiters",
type: "binaryShortString",
value: "\\n\\r"
},
{
name: "Make first row header",
type: "boolean",
value: false
},
{
name: "Format",
type: "option",
value: ToTable.FORMATS
}
]
},
"From Hex": {
module: "Default",
description: "Converts a hexadecimal byte string back into its raw value.<br><br>e.g. <code>ce 93 ce b5 ce b9 ce ac 20 cf 83 ce bf cf 85 0a</code> becomes the UTF-8 encoded string <code>Γειά σου</code>",

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@ -27,6 +27,7 @@ import Rotate from "../../operations/Rotate.js";
import SeqUtils from "../../operations/SeqUtils.js";
import StrUtils from "../../operations/StrUtils.js";
import Tidy from "../../operations/Tidy.js";
import ToTable from "../../operations/ToTable.js";
import Unicode from "../../operations/Unicode.js";
import UUID from "../../operations/UUID.js";
import XKCD from "../../operations/XKCD.js";
@ -163,6 +164,7 @@ OpModules.Default = {
"Mean": Arithmetic.runMean,
"Median": Arithmetic.runMedian,
"Standard Deviation": Arithmetic.runStdDev,
"To Table": ToTable.runToTable,
"Windows Filetime to UNIX Timestamp": Filetime.runFromFiletimeToUnix,
"UNIX Timestamp to Windows Filetime": Filetime.runToFiletimeFromUnix,
"XKCD Random Number": XKCD.runRandomNumber,

164
src/core/operations/ToTable.js Executable file
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@ -0,0 +1,164 @@
/**
* ToTable operations.
*
* @author Mark Jones [github.com/justanothermark]
* @copyright Crown Copyright 2018
* @license Apache-2.0
*
* @namespace
*/
import Utils from "../Utils.js";
const ToTable = {
/**
* @constant
* @default
*/
FORMATS: [
"ASCII",
"HTML"
],
/**
* To Table operation.
*
* @param {string} input
* @param {Object[]} args
* @returns {html}
*/
runToTable: function (input, args) {
const [cellDelims, rowDelims, firstRowHeader, format] = args;
// Process the input into a nested array of elements.
const tableData = Utils.parseCSV(input, cellDelims.split(""), rowDelims.split(""));
if (!tableData.length) return "";
// Render the data in the requested format.
switch (format) {
case "ASCII":
return asciiOutput(tableData);
case "HTML":
default:
return htmlOutput(tableData);
}
/**
* Outputs an array of data as an ASCII table.
*
* @param {string[][]} tableData
* @returns {string}
*/
function asciiOutput(tableData) {
const horizontalBorder = "-";
const verticalBorder = "|";
const crossBorder = "+";
let output = "";
let longestCells = [];
// Find longestCells value per column to pad cells equally.
tableData.forEach(function(row, index) {
row.forEach(function(cell, cellIndex) {
if (longestCells[cellIndex] === undefined || cell.length > longestCells[cellIndex]) {
longestCells[cellIndex] = cell.length;
}
});
});
// Add the top border of the table to the output.
output += outputHorizontalBorder(longestCells);
// If the first row is a header, remove the row from the data and
// add it to the output with another horizontal border.
if (firstRowHeader) {
let row = tableData.shift();
output += outputRow(row, longestCells);
output += outputHorizontalBorder(longestCells);
}
// Add the rest of the table rows.
tableData.forEach(function(row, index) {
output += outputRow(row, longestCells);
});
// Close the table with a final horizontal border.
output += outputHorizontalBorder(longestCells);
return output;
/**
* Outputs a row of correctly padded cells.
*/
function outputRow(row, longestCells) {
let rowOutput = verticalBorder;
row.forEach(function(cell, index) {
rowOutput += " " + cell + " ".repeat(longestCells[index] - cell.length) + " " + verticalBorder;
});
rowOutput += "\n";
return rowOutput;
}
/**
* Outputs a horizontal border with a different character where
* the horizontal border meets a vertical border.
*/
function outputHorizontalBorder(longestCells) {
let rowOutput = crossBorder;
longestCells.forEach(function(cellLength) {
rowOutput += horizontalBorder.repeat(cellLength + 2) + crossBorder;
});
rowOutput += "\n";
return rowOutput;
}
}
/**
* Outputs a table of data as a HTML table.
*
* @param {string[][]} tableData
* @returns {string}
*/
function htmlOutput(tableData) {
// Start the HTML output with suitable classes for styling.
let output = "<table class='table table-hover table-condensed table-bordered table-nonfluid'>";
// If the first row is a header then put it in <thead> with <th> cells.
if (firstRowHeader) {
let row = tableData.shift();
output += "<thead>";
output += outputRow(row, "th");
output += "</thead>";
}
// Output the rest of the rows in the <tbody>.
output += "<tbody>";
tableData.forEach(function(row, index) {
output += outputRow(row, "td");
});
// Close the body and table elements.
output += "</tbody></table>";
return output;
/**
* Outputs a table row.
*
* @param {string[]} row
* @param {string} cellType
*/
function outputRow(row, cellType) {
let output = "<tr>";
row.forEach(function(cell) {
output += "<" + cellType + ">" + cell + "</" + cellType + ">";
});
output += "</tr>";
return output;
}
}
}
};
export default ToTable;