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 Copyright 2014 Software Freedom Conservancy

 Licensed under the Apache License, Version 2.0 (the "License");
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      http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
*/
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 Copyright 2014 Software Freedom Conservancy

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
*/
function N(a,b){this.f=a;this.c=void 0!==b?b:null;this.b=null;switch(a){case "comment":this.b=8;break;case "text":this.b=3;break;case "processing-instruction":this.b=7;break;case "node":break;default:throw Error("Unexpected argument");}}function pb(a){return"comment"==a||"text"==a||"processing-instruction"==a||"node"==a}N.prototype.a=function(a){return null===this.b||this.b==a.nodeType};N.prototype.d=h("f");N.prototype.toString=function(){var a="Kind Test: "+this.f;null===this.c||(a+=Q(this.c));return a};/*

 Copyright 2014 Software Freedom Conservancy

 Licensed under the Apache License, Version 2.0 (the "License");
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*/
function qb(a){t.call(this,3);this.c=a.substring(1,a.length-1)}r(qb);qb.prototype.a=h("c");qb.prototype.toString=function(){return"Literal: "+this.c};/*

 Copyright 2014 Software Freedom Conservancy

 Licensed under the Apache License, Version 2.0 (the "License");
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*/
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 Copyright 2014 Software Freedom Conservancy

 Licensed under the Apache License, Version 2.0 (the "License");
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 limitations under the License.
*/
function rb(a){t.call(this,1);this.c=a}r(rb);rb.prototype.a=h("c");rb.prototype.toString=function(){return"Number: "+this.c};/*

 Copyright 2014 Software Freedom Conservancy

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
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      http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
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 limitations under the License.
*/
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 Copyright 2014 Software Freedom Conservancy

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
*/
function zb(a,b){this.a=a;this.b=!!b}
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zb.prototype.toString=function(){return z(this.a,function(a,b){return a+Q(b)},"Predicates:")};/*

 Copyright 2014 Software Freedom Conservancy

 Licensed under the Apache License, Version 2.0 (the "License");
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 You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
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 limitations under the License.
*/
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 Copyright 2014 Software Freedom Conservancy

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
*/
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 Copyright 2014 Software Freedom Conservancy

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
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 See the License for the specific language governing permissions and
 limitations under the License.
*/
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 Copyright 2014 Software Freedom Conservancy

 Licensed under the Apache License, Version 2.0 (the "License");
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 You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
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 limitations under the License.
*/
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function Qb(a,b){var c,d,e;if("/"!=b&&"//"!=b)throw Error('Step op should be "/" or "//"');if("."==G(a.a))return d=new V(Fb,new N("node")),H(a.a),d;if(".."==G(a.a))return d=new V(Eb,new N("node")),H(a.a),d;var f;if("@"==G(a.a))f=tb,H(a.a),X(a,"Missing attribute name");else if("::"==G(a.a,1)){if(!/(?![0-9])[\w]/.test(G(a.a).charAt(0)))throw Error("Bad token: "+H(a.a));c=H(a.a);f=Db[c]||null;if(!f)throw Error("No axis with name: "+c);H(a.a);X(a,"Missing node name")}else f=Ab;c=G(a.a);if(/(?![0-9])[\w]/.test(c.charAt(0)))if("("==
G(a.a,1)){if(!pb(c))throw Error("Invalid node type: "+c);c=H(a.a);if(!pb(c))throw Error("Invalid type name: "+c);Lb(a,"(");X(a,"Bad nodetype");e=G(a.a).charAt(0);var g=null;if('"'==e||"'"==e)g=Nb(a);X(a,"Bad nodetype");Mb(a);c=new N(c,g)}else c=Ob(a);else if("*"==c)c=Ob(a);else throw Error("Bad token: "+H(a.a));e=new zb(Rb(a),f.a);return d||new V(f,c,e,"//"==b)}
function Rb(a){for(var b=[];"["==G(a.a);){H(a.a);X(a,"Missing predicate expression.");var c=Jb(a);b.push(c);X(a,"Unclosed predicate expression.");Lb(a,"]")}return b}function Kb(a){if("-"==G(a.a))return H(a.a),new Gb(Kb(a));var b=Pb(a);if("|"!=G(a.a))a=b;else{for(b=[b];"|"==H(a.a);)X(a,"Missing next union location path."),b.push(Pb(a));a.a.a--;a=new Hb(b)}return a};/*

 Copyright 2014 Software Freedom Conservancy

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
*/
function Sb(a,b){if(!a.length)throw Error("Empty XPath expression.");var c=Fa(a);if(Ia(c))throw Error("Invalid XPath expression.");b?"function"==aa(b)||(b=q(b.lookupNamespaceURI,b)):b=l(null);var d=Jb(new Ib(c,b));if(!Ia(c))throw Error("Bad token: "+H(c));this.evaluate=function(a,b){var c=d.a(new u(a));return new Y(c,b)}}
function Y(a,b){if(0==b)if(a instanceof K)b=4;else if("string"==typeof a)b=2;else if("number"==typeof a)b=1;else if("boolean"==typeof a)b=3;else throw Error("Unexpected evaluation result.");if(2!=b&&1!=b&&3!=b&&!(a instanceof K))throw Error("value could not be converted to the specified type");this.resultType=b;var c;switch(b){case 2:this.stringValue=a instanceof K?Ya(a):""+a;break;case 1:this.numberValue=a instanceof K?+Ya(a):+a;break;case 3:this.booleanValue=a instanceof K?0<a.i:!!a;break;case 4:case 5:case 6:case 7:var d=
O(a);c=[];for(var e=P(d);e;e=P(d))c.push(e instanceof E?e.a:e);this.snapshotLength=a.i;this.invalidIteratorState=!1;break;case 8:case 9:d=Xa(a);this.singleNodeValue=d instanceof E?d.a:d;break;default:throw Error("Unknown XPathResult type.");}var f=0;this.iterateNext=function(){if(4!=b&&5!=b)throw Error("iterateNext called with wrong result type");return f>=c.length?null:c[f++]};this.snapshotItem=function(a){if(6!=b&&7!=b)throw Error("snapshotItem called with wrong result type");return a>=c.length||
0>a?null:c[a]}}Y.ANY_TYPE=0;Y.NUMBER_TYPE=1;Y.STRING_TYPE=2;Y.BOOLEAN_TYPE=3;Y.UNORDERED_NODE_ITERATOR_TYPE=4;Y.ORDERED_NODE_ITERATOR_TYPE=5;Y.UNORDERED_NODE_SNAPSHOT_TYPE=6;Y.ORDERED_NODE_SNAPSHOT_TYPE=7;Y.ANY_UNORDERED_NODE_TYPE=8;Y.FIRST_ORDERED_NODE_TYPE=9;function Tb(a){this.lookupNamespaceURI=$a(a)}
function Ub(a){a=a||m;var b=a.document;b.evaluate||(a.XPathResult=Y,b.evaluate=function(a,b,e,f){return(new Sb(a,e)).evaluate(b,f)},b.createExpression=function(a,b){return new Sb(a,b)},b.createNSResolver=function(a){return new Tb(a)})}var Vb=["wgxpath","install"],Z=m;Vb[0]in Z||!Z.execScript||Z.execScript("var "+Vb[0]);for(var Wb;Vb.length&&(Wb=Vb.shift());)Vb.length||void 0===Ub?Z[Wb]?Z=Z[Wb]:Z=Z[Wb]={}:Z[Wb]=Ub;})()

// Export for Node.js.
module.exports.install = wgxpath.install;
module.exports.XPathResultType = {
  ANY_TYPE: 0,
  NUMBER_TYPE: 1,
  STRING_TYPE: 2,
  BOOLEAN_TYPE: 3,
  UNORDERED_NODE_ITERATOR_TYPE: 4,
  ORDERED_NODE_ITERATOR_TYPE: 5,
  UNORDERED_NODE_SNAPSHOT_TYPE: 6,
  ORDERED_NODE_SNAPSHOT_TYPE: 7,
  ANY_UNORDERED_NODE_TYPE: 8,
  FIRST_ORDERED_NODE_TYPE: 9
};