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: / home / jnclnmuac / public_html / web / admin / global_assets / js / plugins / tables / handsontable /
Filename : sheetclip.js
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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));