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2022-05-31 16:21:53 -04:00
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+/**
+ * SheetClip - Spreadsheet Clipboard Parser
+ * version 0.3
+ *
+ * This tiny library transforms JavaScript arrays to strings that are pasteable by LibreOffice, OpenOffice,
+ * Google Docs and Microsoft Excel.
+ *
+ * Copyright 2012, Marcin Warpechowski
+ * Licensed under the MIT license.
+ * http://github.com/warpech/sheetclip/
+ */
+/*jslint white: true*/
+(function (scope) 
+{
+	"use strict";
+
+	// Class Definition
+	function SheetClip ()
+	{
+		
+	}
+	
+	SheetClip.prototype	= Object.create(Object.prototype,
+	{
+		parse:
+		{
+			value: function (str)
+			{
+				var r, rlen, rows, arr = [], a = 0, c, clen, multiline, last;
+				rows = str.split('\n');
+				
+				if (rows.length > 1 && rows[rows.length - 1] === '') 
+					rows.pop();
+				
+				for (r = 0, rlen = rows.length; r < rlen; r += 1) 
+				{
+					rows[r] = rows[r].split('\t');
+				  
+					for (c = 0, clen = rows[r].length; c < clen; c += 1) 
+					{
+						if (!arr[a]) 
+							arr[a] = [];
+					  
+						if (multiline && c === 0) 
+						{
+							last = arr[a].length - 1;
+							arr[a][last] = arr[a][last] + '\n' + rows[r][0];
+						
+							if (multiline && (countQuotes(rows[r][0]) & 1)) 
+							{ //& 1 is a bitwise way of performing mod 2
+								multiline = false;
+								arr[a][last] = arr[a][last].substring(0, arr[a][last].length - 1).replace(/""/g, '"');
+							}
+						}
+						else 
+						{
+							if (c === clen - 1 && rows[r][c].indexOf('"') === 0 && (countQuotes(rows[r][c]) & 1)) 
+							{
+								arr[a].push(rows[r][c].substring(1).replace(/""/g, '"'));
+								multiline = true;
+							}
+							else 
+							{
+								arr[a].push(rows[r][c].replace(/""/g, '"'));
+								multiline = false;
+							}
+						}
+					}
+					
+					if (!multiline)
+						a += 1;
+				}
+				
+				return arr;
+			},
+			enumerable: true,
+			configurable: false,
+			writable: false
+		},
+		
+		stringify:
+		{
+			value: function (arr)
+			{
+				var r, rlen, c, clen, str = '', val;
+				
+				for (r = 0, rlen = arr.length; r < rlen; r += 1) 
+				{
+					for (c = 0, clen = arr[r].length; c < clen; c += 1) 
+					{
+						if (c > 0)
+							str += '\t';
+						
+						val = arr[r][c];
+						
+						if (typeof val === 'string') 
+						{
+							if (val.indexOf('\n') > -1) 
+							{
+								str += '"' + val.replace(/"/g, '""') + '"';
+							}
+							else 
+							{
+								str += val;
+							}
+						}
+						else 
+						if (val === null || val === void 0) 
+						{ //void 0 resolves to undefined
+							str += '';
+						}
+						else 
+						{
+							str += val;
+						}
+					}
+					
+					str += '\n';
+				}
+				return str;
+			},
+			enumerable: true,
+			configurable: false,
+			writable: false
+		}
+	});
+	
+	// Private Static Functions
+	function countQuotes(str) 
+	{
+		return str.split('"').length - 1;
+	}
+  
+	if (typeof module !== "undefined" && module.exports)
+		module.exports	= SheetClip;
+	else
+		scope.SheetClip	= SheetClip;
+
+}(this));