overleaf/services/web/public/js/libs/autolinker.js
2015-02-07 16:15:33 +00:00

10 lines
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11 KiB
JavaScript

/*!
* Autolinker.js
* 0.15.2
*
* Copyright(c) 2015 Gregory Jacobs <greg@greg-jacobs.com>
* MIT Licensed. http://www.opensource.org/licenses/mit-license.php
*
* https://github.com/gregjacobs/Autolinker.js
*/
!function(a,b){"function"==typeof define&&define.amd?define([],function(){return a.returnExportsGlobal=b()}):"object"==typeof exports?module.exports=b():a.Autolinker=b()}(this,function(){var a=function(b){a.Util.assign(this,b),this.matchValidator=new a.MatchValidator};return a.prototype={constructor:a,urls:!0,email:!0,twitter:!0,newWindow:!0,stripPrefix:!0,className:"",htmlCharacterEntitiesRegex:/(&nbsp;|&#160;|&lt;|&#60;|&gt;|&#62;|&quot;|&#34;|&#39;)/gi,matcherRegex:function(){var a=/(^|[^\w])@(\w{1,15})/,b=/(?:[\-;:&=\+\$,\w\.]+@)/,c=/(?:[A-Za-z][-.+A-Za-z0-9]+:(?![A-Za-z][-.+A-Za-z0-9]+:\/\/)(?!\d+\/?)(?:\/\/)?)/,d=/(?:www\.)/,e=/[A-Za-z0-9\.\-]*[A-Za-z0-9\-]/,f=/\.(?:international|construction|contractors|enterprises|photography|productions|foundation|immobilien|industries|management|properties|technology|christmas|community|directory|education|equipment|institute|marketing|solutions|vacations|bargains|boutique|builders|catering|cleaning|clothing|computer|democrat|diamonds|graphics|holdings|lighting|partners|plumbing|supplies|training|ventures|academy|careers|company|cruises|domains|exposed|flights|florist|gallery|guitars|holiday|kitchen|neustar|okinawa|recipes|rentals|reviews|shiksha|singles|support|systems|agency|berlin|camera|center|coffee|condos|dating|estate|events|expert|futbol|kaufen|luxury|maison|monash|museum|nagoya|photos|repair|report|social|supply|tattoo|tienda|travel|viajes|villas|vision|voting|voyage|actor|build|cards|cheap|codes|dance|email|glass|house|mango|ninja|parts|photo|shoes|solar|today|tokyo|tools|watch|works|aero|arpa|asia|best|bike|blue|buzz|camp|club|cool|coop|farm|fish|gift|guru|info|jobs|kiwi|kred|land|limo|link|menu|mobi|moda|name|pics|pink|post|qpon|rich|ruhr|sexy|tips|vote|voto|wang|wien|wiki|zone|bar|bid|biz|cab|cat|ceo|com|edu|gov|int|kim|mil|net|onl|org|pro|pub|red|tel|uno|wed|xxx|xyz|ac|ad|ae|af|ag|ai|al|am|an|ao|aq|ar|as|at|au|aw|ax|az|ba|bb|bd|be|bf|bg|bh|bi|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|cr|cu|cv|cw|cx|cy|cz|de|dj|dk|dm|do|dz|ec|ee|eg|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gg|gh|gi|gl|gm|gn|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|im|in|io|iq|ir|is|it|je|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|me|mg|mh|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|mv|mw|mx|my|mz|na|nc|ne|nf|ng|ni|nl|no|np|nr|nu|nz|om|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|ps|pt|pw|py|qa|re|ro|rs|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sx|sy|sz|tc|td|tf|tg|th|tj|tk|tl|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|za|zm|zw)\b/,g=/[\-A-Za-z0-9+&@#\/%=~_()|'$*\[\]?!:,.;]*[\-A-Za-z0-9+&@#\/%=~_()|'$*\[\]]/;return new RegExp(["(",a.source,")","|","(",b.source,e.source,f.source,")","|","(","(?:","(",c.source,e.source,")","|","(?:","(.?//)?",d.source,e.source,")","|","(?:","(.?//)?",e.source,f.source,")",")","(?:"+g.source+")?",")"].join(""),"gi")}(),charBeforeProtocolRelMatchRegex:/^(.)?\/\//,link:function(b){var c=this,d=this.getHtmlParser(),e=this.htmlCharacterEntitiesRegex,f=0,g=[];return d.parse(b,{processHtmlNode:function(a,b,c){"a"===b&&(c?f=Math.max(f-1,0):f++),g.push(a)},processTextNode:function(b){if(0===f)for(var d=a.Util.splitAndCapture(b,e),h=0,i=d.length;i>h;h++){var j=d[h],k=c.processTextNode(j);g.push(k)}else g.push(b)}}),g.join("")},getHtmlParser:function(){var b=this.htmlParser;return b||(b=this.htmlParser=new a.HtmlParser),b},getTagBuilder:function(){var b=this.tagBuilder;return b||(b=this.tagBuilder=new a.AnchorTagBuilder({newWindow:this.newWindow,truncate:this.truncate,className:this.className})),b},processTextNode:function(a){var b=this;return a.replace(this.matcherRegex,function(a,c,d,e,f,g,h,i,j){var k=b.processCandidateMatch(a,c,d,e,f,g,h,i,j);if(k){var l=b.createMatchReturnVal(k.match,k.matchStr);return k.prefixStr+l+k.suffixStr}return a})},processCandidateMatch:function(b,c,d,e,f,g,h,i,j){var k,l=i||j,m="",n="";if(c&&!this.twitter||f&&!this.email||g&&!this.urls||!this.matchValidator.isValidMatch(g,h,l))return null;if(this.matchHasUnbalancedClosingParen(b)&&(b=b.substr(0,b.length-1),n=")"),f)k=new a.match.Email({matchedText:b,email:f});else if(c)d&&(m=d,b=b.slice(1)),k=new a.match.Twitter({matchedText:b,twitterHandle:e});else{if(l){var o=l.match(this.charBeforeProtocolRelMatchRegex)[1]||"";o&&(m=o,b=b.slice(1))}k=new a.match.Url({matchedText:b,url:b,protocolUrlMatch:!!h,protocolRelativeMatch:!!l,stripPrefix:this.stripPrefix})}return{prefixStr:m,suffixStr:n,matchStr:b,match:k}},matchHasUnbalancedClosingParen:function(a){var b=a.charAt(a.length-1);if(")"===b){var c=a.match(/\(/g),d=a.match(/\)/g),e=c&&c.length||0,f=d&&d.length||0;if(f>e)return!0}return!1},createMatchReturnVal:function(b,c){var d;if(this.replaceFn&&(d=this.replaceFn.call(this,this,b)),"string"==typeof d)return d;if(d===!1)return c;if(d instanceof a.HtmlTag)return d.toString();var e=this.getTagBuilder(),f=e.build(b);return f.toString()}},a.link=function(b,c){var d=new a(c);return d.link(b)},a.match={},a.Util={abstractMethod:function(){throw"abstract"},assign:function(a,b){for(var c in b)b.hasOwnProperty(c)&&(a[c]=b[c]);return a},extend:function(b,c){var d=b.prototype,e=function(){};e.prototype=d;var f;f=c.hasOwnProperty("constructor")?c.constructor:function(){d.constructor.apply(this,arguments)};var g=f.prototype=new e;return g.constructor=f,g.superclass=d,delete c.constructor,a.Util.assign(g,c),f},ellipsis:function(a,b,c){return a.length>b&&(c=null==c?"..":c,a=a.substring(0,b-c.length)+c),a},indexOf:function(a,b){if(Array.prototype.indexOf)return a.indexOf(b);for(var c=0,d=a.length;d>c;c++)if(a[c]===b)return c;return-1},splitAndCapture:function(a,b){if(!b.global)throw new Error("`splitRegex` must have the 'g' flag set");for(var c,d=[],e=0;c=b.exec(a);)d.push(a.substring(e,c.index)),d.push(c[0]),e=c.index+c[0].length;return d.push(a.substring(e)),d}},a.HtmlParser=a.Util.extend(Object,{htmlRegex:function(){var a=/[0-9a-zA-Z][0-9a-zA-Z:]*/,b=/[^\s\0"'>\/=\x01-\x1F\x7F]+/,c=/(?:"[^"]*?"|'[^']*?'|[^'"=<>`\s]+)/,d=b.source+"(?:\\s*=\\s*"+c.source+")?";return new RegExp(["(?:","<(!DOCTYPE)","(?:","\\s+","(?:",d,"|",c.source+")",")*",">",")","|","(?:","<(/)?","("+a.source+")","(?:","\\s+",d,")*","\\s*/?",">",")"].join(""),"gi")}(),parse:function(a,b){b=b||{};for(var c,d=b.processHtmlNode||function(){},e=b.processTextNode||function(){},f=this.htmlRegex,g=0;null!==(c=f.exec(a));){var h=c[0],i=c[1]||c[3],j=!!c[2],k=a.substring(g,c.index);k&&e(k),d(h,i.toLowerCase(),j),g=c.index+h.length}if(g<a.length){var l=a.substring(g);l&&e(l)}}}),a.HtmlTag=a.Util.extend(Object,{whitespaceRegex:/\s+/,constructor:function(b){a.Util.assign(this,b),this.innerHtml=this.innerHtml||this.innerHTML},setTagName:function(a){return this.tagName=a,this},getTagName:function(){return this.tagName||""},setAttr:function(a,b){var c=this.getAttrs();return c[a]=b,this},getAttr:function(a){return this.getAttrs()[a]},setAttrs:function(b){var c=this.getAttrs();return a.Util.assign(c,b),this},getAttrs:function(){return this.attrs||(this.attrs={})},setClass:function(a){return this.setAttr("class",a)},addClass:function(b){for(var c,d=this.getClass(),e=this.whitespaceRegex,f=a.Util.indexOf,g=d?d.split(e):[],h=b.split(e);c=h.shift();)-1===f(g,c)&&g.push(c);return this.getAttrs()["class"]=g.join(" "),this},removeClass:function(b){for(var c,d=this.getClass(),e=this.whitespaceRegex,f=a.Util.indexOf,g=d?d.split(e):[],h=b.split(e);g.length&&(c=h.shift());){var i=f(g,c);-1!==i&&g.splice(i,1)}return this.getAttrs()["class"]=g.join(" "),this},getClass:function(){return this.getAttrs()["class"]||""},hasClass:function(a){return-1!==(" "+this.getClass()+" ").indexOf(" "+a+" ")},setInnerHtml:function(a){return this.innerHtml=a,this},getInnerHtml:function(){return this.innerHtml||""},toString:function(){var a=this.getTagName(),b=this.buildAttrsStr();return b=b?" "+b:"",["<",a,b,">",this.getInnerHtml(),"</",a,">"].join("")},buildAttrsStr:function(){if(!this.attrs)return"";var a=this.getAttrs(),b=[];for(var c in a)a.hasOwnProperty(c)&&b.push(c+'="'+a[c]+'"');return b.join(" ")}}),a.MatchValidator=a.Util.extend(Object,{invalidProtocolRelMatchRegex:/^[\w]\/\//,hasFullProtocolRegex:/^[A-Za-z][-.+A-Za-z0-9]+:\/\//,uriSchemeRegex:/^[A-Za-z][-.+A-Za-z0-9]+:/,hasWordCharAfterProtocolRegex:/:[^\s]*?[A-Za-z]/,isValidMatch:function(a,b,c){return b&&!this.isValidUriScheme(b)||this.urlMatchDoesNotHaveProtocolOrDot(a,b)||this.urlMatchDoesNotHaveAtLeastOneWordChar(a,b)||this.isInvalidProtocolRelativeMatch(c)?!1:!0},isValidUriScheme:function(a){var b=a.match(this.uriSchemeRegex)[0];return"javascript:"!==b&&"vbscript:"!==b},urlMatchDoesNotHaveProtocolOrDot:function(a,b){return!(!a||b&&this.hasFullProtocolRegex.test(b)||-1!==a.indexOf("."))},urlMatchDoesNotHaveAtLeastOneWordChar:function(a,b){return a&&b?!this.hasWordCharAfterProtocolRegex.test(a):!1},isInvalidProtocolRelativeMatch:function(a){return!!a&&this.invalidProtocolRelMatchRegex.test(a)}}),a.AnchorTagBuilder=a.Util.extend(Object,{constructor:function(b){a.Util.assign(this,b)},build:function(b){var c=new a.HtmlTag({tagName:"a",attrs:this.createAttrs(b.getType(),b.getAnchorHref()),innerHtml:this.processAnchorText(b.getAnchorText())});return c},createAttrs:function(a,b){var c={href:b},d=this.createCssClass(a);return d&&(c["class"]=d),this.newWindow&&(c.target="_blank"),c},createCssClass:function(a){var b=this.className;return b?b+" "+b+"-"+a:""},processAnchorText:function(a){return a=this.doTruncate(a)},doTruncate:function(b){return a.Util.ellipsis(b,this.truncate||Number.POSITIVE_INFINITY)}}),a.match.Match=a.Util.extend(Object,{constructor:function(b){a.Util.assign(this,b)},getType:a.Util.abstractMethod,getMatchedText:function(){return this.matchedText},getAnchorHref:a.Util.abstractMethod,getAnchorText:a.Util.abstractMethod}),a.match.Email=a.Util.extend(a.match.Match,{getType:function(){return"email"},getEmail:function(){return this.email},getAnchorHref:function(){return"mailto:"+this.email},getAnchorText:function(){return this.email}}),a.match.Twitter=a.Util.extend(a.match.Match,{getType:function(){return"twitter"},getTwitterHandle:function(){return this.twitterHandle},getAnchorHref:function(){return"https://twitter.com/"+this.twitterHandle},getAnchorText:function(){return"@"+this.twitterHandle}}),a.match.Url=a.Util.extend(a.match.Match,{urlPrefixRegex:/^(https?:\/\/)?(www\.)?/i,protocolRelativeRegex:/^\/\//,protocolPrepended:!1,getType:function(){return"url"},getUrl:function(){var a=this.url;return this.protocolRelativeMatch||this.protocolUrlMatch||this.protocolPrepended||(a=this.url="http://"+a,this.protocolPrepended=!0),a},getAnchorHref:function(){var a=this.getUrl();return a.replace(/&amp;/g,"&")},getAnchorText:function(){var a=this.getUrl();return this.protocolRelativeMatch&&(a=this.stripProtocolRelativePrefix(a)),this.stripPrefix&&(a=this.stripUrlPrefix(a)),a=this.removeTrailingSlash(a)},stripUrlPrefix:function(a){return a.replace(this.urlPrefixRegex,"")},stripProtocolRelativePrefix:function(a){return a.replace(this.protocolRelativeRegex,"")},removeTrailingSlash:function(a){return"/"===a.charAt(a.length-1)&&(a=a.slice(0,-1)),a}}),a});