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File: source/asset/crules/datatables-plugins/sorting/natural.js

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File: source/asset/crules/datatables-plugins/sorting/natural.js
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Class: Rimau waf
Application to configure Web server module options
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/** * Data can often be a complicated mix of numbers and letters (file names * are a common example) and sorting them in a natural manner is quite a * difficult problem. * * Fortunately a deal of work has already been done in this area by other * authors - the following plug-in uses the [naturalSort() function by Jim * Palmer](http://www.overset.com/2008/09/01/javascript-natural-sort-algorithm-with-unicode-support) to provide natural sorting in DataTables. * * @name Natural sorting * @summary Sort data with a mix of numbers and letters _naturally_. * @author [Jim Palmer](http://www.overset.com/2008/09/01/javascript-natural-sort-algorithm-with-unicode-support) * * @example * $('#example').dataTable( { * columnDefs: [ * { type: 'natural', targets: 0 } * ] * } ); */ (function() { /* * Natural Sort algorithm for Javascript - Version 0.7 - Released under MIT license * Author: Jim Palmer (based on chunking idea from Dave Koelle) * Contributors: Mike Grier (mgrier.com), Clint Priest, Kyle Adams, guillermo * See: http://js-naturalsort.googlecode.com/svn/trunk/naturalSort.js */ function naturalSort (a, b) { var re = /(^-?[0-9]+(\.?[0-9]*)[df]?e?[0-9]?$|^0x[0-9a-f]+$|[0-9]+)/gi, sre = /(^[ ]*|[ ]*$)/g, dre = /(^([\w ]+,?[\w ]+)?[\w ]+,?[\w ]+\d+:\d+(:\d+)?[\w ]?|^\d{1,4}[\/\-]\d{1,4}[\/\-]\d{1,4}|^\w+, \w+ \d+, \d{4})/, hre = /^0x[0-9a-f]+$/i, ore = /^0/, // convert all to strings and trim() x = a.toString().replace(sre, '') || '', y = b.toString().replace(sre, '') || '', // chunk/tokenize xN = x.replace(re, '\0$1\0').replace(/\0$/,'').replace(/^\0/,'').split('\0'), yN = y.replace(re, '\0$1\0').replace(/\0$/,'').replace(/^\0/,'').split('\0'), // numeric, hex or date detection xD = parseInt(x.match(hre), 10) || (xN.length !== 1 && x.match(dre) && Date.parse(x)), yD = parseInt(y.match(hre), 10) || xD && y.match(dre) && Date.parse(y) || null; // first try and sort Hex codes or Dates if (yD) { if ( xD < yD ) { return -1; } else if ( xD > yD ) { return 1; } } // natural sorting through split numeric strings and default strings for(var cLoc=0, numS=Math.max(xN.length, yN.length); cLoc < numS; cLoc++) { // find floats not starting with '0', string or 0 if not defined (Clint Priest) var oFxNcL = !(xN[cLoc] || '').match(ore) && parseFloat(xN[cLoc], 10) || xN[cLoc] || 0; var oFyNcL = !(yN[cLoc] || '').match(ore) && parseFloat(yN[cLoc], 10) || yN[cLoc] || 0; // handle numeric vs string comparison - number < string - (Kyle Adams) if (isNaN(oFxNcL) !== isNaN(oFyNcL)) { return (isNaN(oFxNcL)) ? 1 : -1; } // rely on string comparison if different types - i.e. '02' < 2 != '02' < '2' else if (typeof oFxNcL !== typeof oFyNcL) { oFxNcL += ''; oFyNcL += ''; } if (oFxNcL < oFyNcL) { return -1; } if (oFxNcL > oFyNcL) { return 1; } } return 0; } jQuery.extend( jQuery.fn.dataTableExt.oSort, { "natural-asc": function ( a, b ) { return naturalSort(a,b); }, "natural-desc": function ( a, b ) { return naturalSort(a,b) * -1; } } ); }());