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this._parts.hostname?d.buildAuthority(this._parts):"";d.parseAuthority(a,this._parts);this.build(!b);return this};g.userinfo=function(a,b){if(this._parts.urn)return void 0===a?"":this;if(void 0===a){if(!this._parts.username)return"";var c=d.buildUserinfo(this._parts);return c.substring(0,c.length-1)}"@"!==a[a.length-1]&&(a+= "@");d.parseUserinfo(a,this._parts);this.build(!b);return this};g.resource=function(a,b){var c;if(void 0===a)return this.path()+this.search()+this.hash();c=d.parse(a);this._parts.path=c.path;this._parts.query=c.query;this._parts.fragment=c.fragment;this.build(!b);return this};g.subdomain=function(a,b){if(this._parts.urn)return void 0===a?"":this;if(void 0===a){if(!this._parts.hostname||this.is("IP"))return"";var c=this._parts.hostname.length-this.domain().length-1;return this._parts.hostname.substring(0, c)||""}c=this._parts.hostname.length-this.domain().length;c=this._parts.hostname.substring(0,c);c=RegExp("^"+q(c));a&&"."!==a.charAt(a.length-1)&&(a+=".");a&&d.ensureValidHostname(a);this._parts.hostname=this._parts.hostname.replace(c,a);this.build(!b);return this};g.domain=function(a,b){if(this._parts.urn)return void 0===a?"":this;"boolean"===typeof a&&(b=a,a=void 0);if(void 0===a){if(!this._parts.hostname||this.is("IP"))return"";var c=this._parts.hostname.match(/\./g);if(c&&2>c.length)return this._parts.hostname; c=this._parts.hostname.length-this.tld(b).length-1;c=this._parts.hostname.lastIndexOf(".",c-1)+1;return this._parts.hostname.substring(c)||""}if(!a)throw new TypeError("cannot set domain empty");d.ensureValidHostname(a);!this._parts.hostname||this.is("IP")?this._parts.hostname=a:(c=RegExp(q(this.domain())+"$"),this._parts.hostname=this._parts.hostname.replace(c,a));this.build(!b);return this};g.tld=function(a,b){if(this._parts.urn)return void 0===a?"":this;"boolean"===typeof a&&(b=a,a=void 0);if(void 0=== a){if(!this._parts.hostname||this.is("IP"))return"";var c=this._parts.hostname.lastIndexOf("."),c=this._parts.hostname.substring(c+1);return!0!==b&&h&&h.list[c.toLowerCase()]?h.get(this._parts.hostname)||c:c}if(a)if(a.match(/[^a-zA-Z0-9-]/))if(h&&h.is(a))c=RegExp(q(this.tld())+"$"),this._parts.hostname=this._parts.hostname.replace(c,a);else throw new TypeError("TLD '"+a+"' contains characters other than [A-Z0-9]");else{if(!this._parts.hostname||this.is("IP"))throw new ReferenceError("cannot set TLD on non-domain host"); c=RegExp(q(this.tld())+"$");this._parts.hostname=this._parts.hostname.replace(c,a)}else throw new TypeError("cannot set TLD empty");this.build(!b);return this};g.directory=function(a,b){if(this._parts.urn)return void 0===a?"":this;if(void 0===a||!0===a){if(!this._parts.path&&!this._parts.hostname)return"";if("/"===this._parts.path)return"/";var c=this._parts.path.length-this.filename().length-1,c=this._parts.path.substring(0,c)||(this._parts.hostname?"/":"");return a?d.decodePath(c):c}c=this._parts.path.length- this.filename().length;c=this._parts.path.substring(0,c);c=RegExp("^"+q(c));this.is("relative")||(a||(a="/"),"/"!==a.charAt(0)&&(a="/"+a));a&&"/"!==a.charAt(a.length-1)&&(a+="/");a=d.recodePath(a);this._parts.path=this._parts.path.replace(c,a);this.build(!b);return this};g.filename=function(a,b){if(this._parts.urn)return void 0===a?"":this;if(void 0===a||!0===a){if(!this._parts.path||"/"===this._parts.path)return"";var c=this._parts.path.lastIndexOf("/"),c=this._parts.path.substring(c+1);return a? d.decodePathSegment(c):c}c=!1;"/"===a.charAt(0)&&(a=a.substring(1));a.match(/\.?\//)&&(c=!0);var k=RegExp(q(this.filename())+"$");a=d.recodePath(a);this._parts.path=this._parts.path.replace(k,a);c?this.normalizePath(b):this.build(!b);return this};g.suffix=function(a,b){if(this._parts.urn)return void 0===a?"":this;if(void 0===a||!0===a){if(!this._parts.path||"/"===this._parts.path)return"";var c=this.filename(),k=c.lastIndexOf(".");if(-1===k)return"";c=c.substring(k+1);c=/^[a-z0-9%]+$/i.test(c)?c: "";return a?d.decodePathSegment(c):c}"."===a.charAt(0)&&(a=a.substring(1));if(c=this.suffix())k=a?RegExp(q(c)+"$"):RegExp(q("."+c)+"$");else{if(!a)return this;this._parts.path+="."+d.recodePath(a)}k&&(a=d.recodePath(a),this._parts.path=this._parts.path.replace(k,a));this.build(!b);return this};g.segment=function(a,b,c){var d=this._parts.urn?":":"/",e=this.path(),g="/"===e.substring(0,1),e=e.split(d);void 0!==a&&"number"!==typeof a&&(c=b,b=a,a=void 0);if(void 0!==a&&"number"!==typeof a)throw Error("Bad segment '"+ a+"', must be 0-based integer");g&&e.shift();0>a&&(a=Math.max(e.length+a,0));if(void 0===b)return void 0===a?e:e[a];if(null===a||void 0===e[a])if(n(b)){e=[];a=0;for(var f=b.length;a