Bootstrap/docs/assets/js/vendor/less.min.js

/*! 
 * LESS - Leaner CSS v1.6.1 
 * http://lesscss.org 
 * 
 * Copyright (c) 2009-2014, Alexis Sellier <self@cloudhead.net> 
 * Licensed under the Apache v2 License. 
 * 
 */ 

 /** * @license Apache v2
 */ 

!function(a,b){function c(b){return a.less[b.split("/")[1]]}function d(a,b){"development"==v.env&&"undefined"!=typeof console&&v.logLevel>=b&&console.log("less: "+a)}function e(a){return a.replace(/^[a-z-]+:\/+?[^\/]+/,"").replace(/^\//,"").replace(/\.[a-zA-Z]+$/,"").replace(/[^\.\w-]+/g,"-").replace(/\./g,":")}function f(a,c){var e="{line} {content}",f=a.filename||c,g=[],h=(a.type||"Syntax")+"Error: "+(a.message||"There is an error in your .less file")+" in "+f+" ",i=function(a,c,d){a.extract[c]!==b&&g.push(e.replace(/\{line\}/,(parseInt(a.line,10)||0)+(c-1)).replace(/\{class\}/,d).replace(/\{content\}/,a.extract[c]))};a.extract?(i(a,0,""),i(a,1,"line"),i(a,2,""),h+="on line "+a.line+", column "+(a.column+1)+":\n"+g.join("\n")):a.stack&&(h+=a.stack),d(h,y.errors)}function g(a,b,c){var f=b.href||"",g="less:"+(b.title||e(f)),h=document.getElementById(g),i=!1,j=document.createElement("style");if(j.setAttribute("type","text/css"),b.media&&j.setAttribute("media",b.media),j.id=g,j.styleSheet)try{j.styleSheet.cssText=a}catch(k){throw new Error("Couldn't reassign styleSheet.cssText.")}else j.appendChild(document.createTextNode(a)),i=null!==h&&h.childNodes.length>0&&j.childNodes.length>0&&h.firstChild.nodeValue===j.firstChild.nodeValue;var l=document.getElementsByTagName("head")[0];if(null===h||i===!1){var m=b&&b.nextSibling||null;m?m.parentNode.insertBefore(j,m):l.appendChild(j)}if(h&&i===!1&&h.parentNode.removeChild(h),c&&C){d("saving "+f+" to cache.",y.info);try{C.setItem(f,a),C.setItem(f+":timestamp",c)}catch(k){d("failed to save",y.errors)}}}function h(a,c){var d,f,h="less-error-message:"+e(c||""),i='<li><label>{line}</label><pre class="{class}">{content}</pre></li>',j=document.createElement("div"),k=[],l=a.filename||c,m=l.match(/([^\/]+(\?.*)?)$/)[1];j.id=h,j.className="less-error-message",f="<h3>"+(a.type||"Syntax")+"Error: "+(a.message||"There is an error in your .less file")+'</h3><p>in <a href="'+l+'">'+m+"</a> ";var n=function(a,c,d){a.extract[c]!==b&&k.push(i.replace(/\{line\}/,(parseInt(a.line,10)||0)+(c-1)).replace(/\{class\}/,d).replace(/\{content\}/,a.extract[c]))};a.extract?(n(a,0,""),n(a,1,"line"),n(a,2,""),f+="on line "+a.line+", column "+(a.column+1)+":</p><ul>"+k.join("")+"</ul>"):a.stack&&(f+="<br/>"+a.stack.split("\n").slice(1).join("<br/>")),j.innerHTML=f,g([".less-error-message ul, .less-error-message li {","list-style-type: none;","margin-right: 15px;","padding: 4px 0;","margin: 0;","}",".less-error-message label {","font-size: 12px;","margin-right: 15px;","padding: 4px 0;","color: #cc7777;","}",".less-error-message pre {","color: #dd6666;","padding: 4px 0;","margin: 0;","display: inline-block;","}",".less-error-message pre.line {","color: #ff0000;","}",".less-error-message h3 {","font-size: 20px;","font-weight: bold;","padding: 15px 0 5px 0;","margin: 0;","}",".less-error-message a {","color: #10a","}",".less-error-message .error {","color: red;","font-weight: bold;","padding-bottom: 2px;","border-bottom: 1px dashed red;","}"].join("\n"),{title:"error-message"}),j.style.cssText=["font-family: Arial, sans-serif","border: 1px solid #e00","background-color: #eee","border-radius: 5px","-webkit-border-radius: 5px","-moz-border-radius: 5px","color: #e00","padding: 15px","margin-bottom: 15px"].join(";"),"development"==v.env&&(d=setInterval(function(){document.body&&(document.getElementById(h)?document.body.replaceChild(j,document.getElementById(h)):document.body.insertBefore(j,document.body.firstChild),clearInterval(d))},10))}function i(a,b){v.errorReporting&&"html"!==v.errorReporting?"console"===v.errorReporting?f(a,b):"function"==typeof v.errorReporting&&v.errorReporting("add",a,b):h(a,b)}function j(a){var b=document.getElementById("less-error-message:"+e(a));b&&b.parentNode.removeChild(b)}function k(){}function l(a){v.errorReporting&&"html"!==v.errorReporting?"console"===v.errorReporting?k(a):"function"==typeof v.errorReporting&&v.errorReporting("remove",a):j(a)}function m(a){for(var b,c=document.getElementsByTagName("style"),d=0;d<c.length;d++)if(b=c[d],b.type.match(B)){var e=new v.tree.parseEnv(v),f=b.i
case 1:return c[0]}var e,f,g,h,i,j,k=[],l={};for(e=0;e<c.length;e++)g=c[e],g instanceof d.Dimension?(h=g.unify(),j=h.unit.toString(),f=l[j],f!==b?(i=k[f].unify(),(a&&h.value<i.value||!a&&h.value>i.value)&&(k[f]=g)):(l[j]=k.length,k.push(g))):k.push(g);return 1==k.length?k[0]:(c=k.map(function(a){return a.toCSS(this.env)}).join(this.env.compress?",":", "),new d.Anonymous((a?"min":"max")+"("+c+")"))},min:function(){return this._minmax(!0,arguments)},max:function(){return this._minmax(!1,arguments)},argb:function(a){return new d.Anonymous(a.toARGB())},percentage:function(a){return new d.Dimension(100*a.value,"%")},color:function(a){if(a instanceof d.Quoted){var b,c=a.value;if(b=d.Color.fromKeyword(c))return b;if(/^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})/.test(c))return new d.Color(c.slice(1));throw{type:"Argument",message:"argument must be a color keyword or 3/6 digit hex e.g. #FFF"}}throw{type:"Argument",message:"argument must be a string"}},iscolor:function(a){return this._isa(a,d.Color)},isnumber:function(a){return this._isa(a,d.Dimension)},isstring:function(a){return this._isa(a,d.Quoted)},iskeyword:function(a){return this._isa(a,d.Keyword)},isurl:function(a){return this._isa(a,d.URL)},ispixel:function(a){return this.isunit(a,"px")},ispercentage:function(a){return this.isunit(a,"%")},isem:function(a){return this.isunit(a,"em")},isunit:function(a,b){return a instanceof d.Dimension&&a.unit.is(b.value||b)?d.True:d.False},_isa:function(a,b){return a instanceof b?d.True:d.False},tint:function(a,b){return this.mix(this.rgb(255,255,255),a,b)},shade:function(a,b){return this.mix(this.rgb(0,0,0),a,b)},extract:function(a,b){return b=b.value-1,Array.isArray(a.value)?a.value[b]:Array(a)[b]},length:function(a){var b=Array.isArray(a.value)?a.value.length:1;return new d.Dimension(b)},"data-uri":function(b,e){if("undefined"!=typeof a)return new d.URL(e||b,this.currentFileInfo).eval(this.env);var f=b.value,g=e&&e.value,h=c("fs"),i=c("path"),j=!1;if(arguments.length<2&&(g=f),this.env.isPathRelative(g)&&(g=this.currentFileInfo.relativeUrls?i.join(this.currentFileInfo.currentDirectory,g):i.join(this.currentFileInfo.entryPath,g)),arguments.length<2){var k;try{k=c("mime")}catch(l){k=d._mime}f=k.lookup(g);var m=k.charsets.lookup(f);j=["US-ASCII","UTF-8"].indexOf(m)<0,j&&(f+=";base64")}else j=/;base64$/.test(f);var n=h.readFileSync(g),o=32,p=parseInt(n.length/1024,10);if(p>=o&&this.env.ieCompat!==!1)return this.env.silent||console.warn("Skipped data-uri embedding of %s because its size (%dKB) exceeds IE8-safe %dKB!",g,p,o),new d.URL(e||b,this.currentFileInfo).eval(this.env);n=j?n.toString("base64"):encodeURIComponent(n);var q='"data:'+f+","+n+'"';return new d.URL(new d.Anonymous(q))},"svg-gradient":function(a){function c(){throw{type:"Argument",message:"svg-gradient expects direction, start_color [start_position], [color position,]..., end_color [end_position]"}}arguments.length<3&&c();var e,f,g,h,i,j,k,l=Array.prototype.slice.call(arguments,1),m="linear",n='x="0" y="0" width="1" height="1"',o=!0,p={compress:!1},q=a.toCSS(p);switch(q){case"to bottom":e='x1="0%" y1="0%" x2="0%" y2="100%"';break;case"to right":e='x1="0%" y1="0%" x2="100%" y2="0%"';break;case"to bottom right":e='x1="0%" y1="0%" x2="100%" y2="100%"';break;case"to top right":e='x1="0%" y1="100%" x2="100%" y2="0%"';break;case"ellipse":case"ellipse at center":m="radial",e='cx="50%" cy="50%" r="75%"',n='x="-50" y="-50" width="101" height="101"';break;default:throw{type:"Argument",message:"svg-gradient direction must be 'to bottom', 'to right', 'to bottom right', 'to top right' or 'ellipse at center'"}}for(f='<?xml version="1.0" ?><svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="100%" height="100%" viewBox="0 0 1 1" preserveAspectRatio="none"><'+m+'Gradient id="gradient" gradientUnits="userSpaceOnUse" '+e+">",g=0;g<l.length;g+=1)l[g].value?(h=l[g].value[0],i=l[g].value[1]):(h=l[g],i=b),h instanceof d.Color&&((0===g||g+1===l.length)&&i===b||i instanceof d.Dimension)||c(),j=i?i.toCSS(p):0===g?"0%":"100%",k=h.alpha,f+='<stop offset="'+j+'" stop-color="'+h.toRGB()+'"'+(1>k?' stop-opa
},variable:function(a){return this.parent.variable.call(this,a)},variables:function(){return this.parent.variables.call(this)},find:function(){return this.parent.find.apply(this,arguments)},rulesets:function(){return this.parent.rulesets.apply(this)},evalParams:function(b,c,d,e){var f,g,h,i,j,k,l,m,n=new a.Ruleset(null,null),o=this.params.slice(0);if(c=new a.evalEnv(c,[n].concat(c.frames)),d)for(d=d.slice(0),h=0;h<d.length;h++)if(g=d[h],k=g&&g.name){for(l=!1,i=0;i<o.length;i++)if(!e[i]&&k===o[i].name){e[i]=g.value.eval(b),n.prependRule(new a.Rule(k,g.value.eval(b))),l=!0;break}if(l){d.splice(h,1),h--;continue}throw{type:"Runtime",message:"Named argument for "+this.name+" "+d[h].name+" not found"}}for(m=0,h=0;h<o.length;h++)if(!e[h]){if(g=d&&d[m],k=o[h].name)if(o[h].variadic&&d){for(f=[],i=m;i<d.length;i++)f.push(d[i].value.eval(b));n.prependRule(new a.Rule(k,new a.Expression(f).eval(b)))}else{if(j=g&&g.value)j=j.eval(b);else{if(!o[h].value)throw{type:"Runtime",message:"wrong number of arguments for "+this.name+" ("+d.length+" for "+this.arity+")"};j=o[h].value.eval(c),n.resetCache()}n.prependRule(new a.Rule(k,j)),e[h]=j}if(o[h].variadic&&d)for(i=m;i<d.length;i++)e[i]=d[i].value.eval(b);m++}return n},eval:function(b,c,d){var e,f,g=[],h=this.frames.concat(b.frames),i=this.evalParams(b,new a.evalEnv(b,h),c,g);return i.prependRule(new a.Rule("@arguments",new a.Expression(g).eval(b))),e=this.rules.slice(0),f=new a.Ruleset(null,e),f.originalRuleset=this,f=f.eval(new a.evalEnv(b,[this,i].concat(h))),d&&(f=this.parent.makeImportant.apply(f)),f},matchCondition:function(b,c){return this.condition&&!this.condition.eval(new a.evalEnv(c,[this.evalParams(c,new a.evalEnv(c,this.frames.concat(c.frames)),b,[])].concat(this.frames).concat(c.frames)))?!1:!0},matchArgs:function(a,b){var c,d=a&&a.length||0;if(this.variadic){if(d<this.required-1)return!1}else{if(d<this.required)return!1;if(d>this.params.length)return!1}c=Math.min(d,this.arity);for(var e=0;c>e;e++)if(!this.params[e].name&&!this.params[e].variadic&&a[e].value.eval(b).toCSS()!=this.params[e].value.eval(b).toCSS())return!1;return!0}}}(c("../tree")),function(a){a.Negative=function(a){this.value=a},a.Negative.prototype={type:"Negative",accept:function(a){this.value=a.visit(this.value)},genCSS:function(a,b){b.add("-"),this.value.genCSS(a,b)},toCSS:a.toCSS,eval:function(b){return b.isMathOn()?new a.Operation("*",[new a.Dimension(-1),this.value]).eval(b):new a.Negative(this.value.eval(b))}}}(c("../tree")),function(a){a.Operation=function(a,b,c){this.op=a.trim(),this.operands=b,this.isSpaced=c},a.Operation.prototype={type:"Operation",accept:function(a){this.operands=a.visit(this.operands)},eval:function(b){var c=this.operands[0].eval(b),d=this.operands[1].eval(b);if(b.isMathOn()){if(c instanceof a.Dimension&&d instanceof a.Color&&(c=c.toColor()),d instanceof a.Dimension&&c instanceof a.Color&&(d=d.toColor()),!c.operate)throw{type:"Operation",message:"Operation on an invalid type"};return c.operate(b,this.op,d)}return new a.Operation(this.op,[c,d],this.isSpaced)},genCSS:function(a,b){this.operands[0].genCSS(a,b),this.isSpaced&&b.add(" "),b.add(this.op),this.isSpaced&&b.add(" "),this.operands[1].genCSS(a,b)},toCSS:a.toCSS},a.operate=function(a,b,c,d){switch(b){case"+":return c+d;case"-":return c-d;case"*":return c*d;case"/":return c/d}}}(c("../tree")),function(a){a.Paren=function(a){this.value=a},a.Paren.prototype={type:"Paren",accept:function(a){this.value=a.visit(this.value)},genCSS:function(a,b){b.add("("),this.value.genCSS(a,b),b.add(")")},toCSS:a.toCSS,eval:function(b){return new a.Paren(this.value.eval(b))}}}(c("../tree")),function(a){a.Quoted=function(a,b,c,d,e){this.escaped=c,this.value=b||"",this.quote=a.charAt(0),this.index=d,this.currentFileInfo=e},a.Quoted.prototype={type:"Quoted",genCSS:function(a,b){this.escaped||b.add(this.quote,this.currentFileInfo,this.index),b.add(this.value),this.escaped||b.add(this.quote)},toCSS:a.toCSS,eval:function(b){var c=this,d=this.value.replace(/`([^`]+)`/g,function(d,e){return new a.JavaScript(e,c.index,!0).eval(b).value}).replace(/@\{([\w-]+
},a,b),m(b)},v.refreshStyles=m,v.Parser.fileLoader=r,v.refresh("development"===v.env),"function"==typeof define&&define.amd&&define(function(){return v})}(window);