Mini Shell

/**
 * Class Applier module for Rangy.
 * Adds, removes and toggles classes on Ranges and Selections
 *
 * Part of Rangy, a cross-browser JavaScript range and selection library
 * http://code.google.com/p/rangy/
 *
 * Depends on Rangy core.
 *
 * Copyright 2013, Tim Down
 * Licensed under the MIT license.
 * Version: 1.3alpha.804
 * Build date: 8 December 2013
 */
rangy.createModule("ClassApplier",["WrappedSelection"],function(a,b){function g(a,b){for(var c in a)if(a.hasOwnProperty(c)&&b(c,a[c])===!1)return!1;return!0}function h(a){return a.replace(/^\s\s*/,"").replace(/\s\s*$/,"")}function i(a,b){return a.className&&(new RegExp("(?:^|\\s)"+b+"(?:\\s|$)")).test(a.className)}function j(a,b){a.className?i(a,b)||(a.className+=" "+b):a.className=b}function l(a){return a.split(/\s+/).sort().join(" ")}function m(a){return l(a.className)}function n(a,b){return m(a)==m(b)}function o(a,b,c,d,e){var f=a.node,g=a.offset,h=f,i=g;f==d&&g>e&&++i,f==b&&(g==c||g==c+1)&&(h=d,i+=e-c),f==b&&g>c+1&&--i,a.node=h,a.offset=i}function p(a,b,c){a.node==b&&a.offset>c&&--a.offset}function q(a,b,d,e){d==-1&&(d=b.childNodes.length);var f=a.parentNode,g=c.getNodeIndex(a);for(var h=0,i;i=e[h++];)o(i,f,g,b,d);b.childNodes.length==d?b.appendChild(a):b.insertBefore(a,b.childNodes[d])}function r(a,b){var d=a.parentNode,e=c.getNodeIndex(a);for(var f=0,g;g=b[f++];)p(g,d,e);a.parentNode.removeChild(a)}function s(a,b,c,d,e){var f,g=[];while(f=a.firstChild)q(f,b,c++,e),g.push(f);return d&&a.parentNode.removeChild(a),g}function t(a,b){return s(a,a.parentNode,c.getNodeIndex(a),!0,b)}function u(a,b){var c=a.cloneRange();c.selectNodeContents(b);var d=c.intersection(a),e=d?d.toString():"";return c.detach(),e!=""}function v(a){var b=a.getNodes([3]),c=0,d;while((d=b[c])&&!u(a,d))++c;var e=b.length-1;while((d=b[e])&&!u(a,d))--e;return b.slice(c,e+1)}function w(a,b){if(a.attributes.length!=b.attributes.length)return!1;for(var c=0,d=a.attributes.length,e,f,g;c<d;++c){e=a.attributes[c],g=e.name;if(g!="class"){f=b.attributes.getNamedItem(g);if(e===null!=(f===null))return!1;if(e.specified!=f.specified)return!1;if(e.specified&&e.nodeValue!==f.nodeValue)return!1}}return!0}function x(a,b){for(var c=0,d=a.attributes.length,f;c<d;++c){f=a.attributes[c].name;if((!b||!e(b,f))&&a.attributes[c].specified&&f!="class")return!0}return!1}function 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c.isCharacterDataNode(a)?b==0?!!a.previousSibling:b==a.length?!!a.nextSibling:!0:b>0&&b<a.childNodes.length}function K(a,d,e,f){var g,h,i=e==0;if(c.isAncestorOf(d,a))return a;if(c.isCharacterDataNode(d)){var j=c.getNodeIndex(d);if(e==0)e=j;else{if(e!=d.length)throw b.createError("splitNodeAt() should not be called with offset in the middle of a data node ("+e+" in "+d.data);e=j+1}d=d.parentNode}if(J(d,e)){g=d.cloneNode(!1),h=d.parentNode,g.id&&g.removeAttribute("id");var k,l=0;while(k=d.childNodes[e])q(k,g,l++,f);return q(g,h,c.getNodeIndex(d)+1,f),d==a?g:K(a,h,c.getNodeIndex(g),f)}if(a!=d){g=d.parentNode;var m=c.getNodeIndex(d);return i||m++,K(a,g,m,f)}return a}function L(a,b){return a.tagName==b.tagName&&n(a,b)&&w(a,b)&&z(a,"display")=="inline"&&z(b,"display")=="inline"}function M(a){var b=a?"nextSibling":"previousSibling";return function(c,d){var e=c.parentNode,f=c[b];if(f){if(f&&f.nodeType==3)return f}else if(d){f=e[b];if(f&&f.nodeType==1&&L(e,f)){var 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