// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
!function(e){"object"==typeof exports&&"object"==typeof module?e(require("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],e):e(CodeMirror)}(function(e){var t={pairs:"()[]{}''\"\"",triples:"",explode:"[]{}"},r=e.Pos;function n(e,r){return"pairs"==r&&"string"==typeof e?e:"object"==typeof e&&null!=e[r]?e[r]:t[r]}e.defineOption("autoCloseBrackets",!1,function(t,r,o){o&&o!=e.Init&&(t.removeKeyMap(i),t.state.closeBrackets=null),r&&(a(n(r,"pairs")),t.state.closeBrackets=r,t.addKeyMap(i))});var i={Backspace:function(t){var i=s(t);if(!i||t.getOption("disableInput"))return e.Pass;for(var a=n(i,"pairs"),o=t.listSelections(),c=0;c<o.length;c++){if(!o[c].empty())return e.Pass;var f=l(t,o[c].head);if(!f||a.indexOf(f)%2!=0)return e.Pass}for(var c=o.length-1;c>=0;c--){var h=o[c].head;t.replaceRange("",r(h.line,h.ch-1),r(h.line,h.ch+1),"+delete")}},Enter:function(t){var r=s(t),i=r&&n(r,"explode");if(!i||t.getOption("disableInput"))return e.Pass;for(var a=t.listSelections(),o=0;o<a.length;o++){if(!a[o].empty())return e.Pass;var c=l(t,a[o].head);if(!c||i.indexOf(c)%2!=0)return e.Pass}t.operation(function(){var e=t.lineSeparator()||"\n";t.replaceSelection(e+e,null),t.execCommand("goCharLeft"),a=t.listSelections();for(var r=0;r<a.length;r++){var n=a[r].head.line;t.indentLine(n,null,!0),t.indentLine(n+1,null,!0)}})}};function a(e){for(var t=0;t<e.length;t++){var r=e.charAt(t),n="'"+r+"'";i[n]||(i[n]=o(r))}}function o(t){return function(i){return function(t,i){var a=s(t);if(!a||t.getOption("disableInput"))return e.Pass;var o=n(a,"pairs"),l=o.indexOf(i);if(-1==l)return e.Pass;for(var c,f=n(a,"triples"),h=o.charAt(l+1)==i,d=t.listSelections(),u=l%2==0,g=0;g<d.length;g++){var p,v=d[g],m=v.head,b=t.getRange(m,r(m.line,m.ch+1));if(u&&!v.empty())p="surround";else if(!h&&u||b!=i)if(h&&m.ch>1&&f.indexOf(i)>=0&&t.getRange(r(m.line,m.ch-2),m)==i+i){if(m.ch>2&&/\bstring/.test(t.getTokenTypeAt(r(m.line,m.ch-2))))return e.Pass;p="addFour"}else if(h){var C=0==m.ch?" ":t.getRange(r(m.line,m.ch-1),m);if(e.isWordChar(b)||C==i||e.isWordChar(C))return e.Pass;p="both"}else{if(!u||!(t.getLine(m.line).length==m.ch||(x=b,P=o,void 0,k=P.lastIndexOf(x),k>-1&&k%2==1)||/\s/.test(b)))return e.Pass;p="both"}else p=!h||(S=m,void 0,O=(y=t).getTokenAt(r(S.line,S.ch+1)),!/\bstring/.test(O.type)||O.start!=S.ch||0!=S.ch&&/\bstring/.test(y.getTokenTypeAt(S)))?f.indexOf(i)>=0&&t.getRange(m,r(m.line,m.ch+3))==i+i+i?"skipThree":"skip":"both";if(c){if(c!=p)return e.Pass}else c=p}var x,P,k;var y,S,O;var R=l%2?o.charAt(l-1):i,A=l%2?i:o.charAt(l+1);t.operation(function(){if("skip"==c)t.execCommand("goCharRight");else if("skipThree"==c)for(var n=0;n<3;n++)t.execCommand("goCharRight");else if("surround"==c){for(var i=t.getSelections(),n=0;n<i.length;n++)i[n]=R+i[n]+A;t.replaceSelections(i,"around"),i=t.listSelections().slice();for(var n=0;n<i.length;n++)i[n]=(a=i[n],void 0,o=e.cmpPos(a.anchor,a.head)>0,{anchor:new r(a.anchor.line,a.anchor.ch+(o?-1:1)),head:new r(a.head.line,a.head.ch+(o?1:-1))});t.setSelections(i)}else"both"==c?(t.replaceSelection(R+A,null),t.triggerElectric(R+A),t.execCommand("goCharLeft")):"addFour"==c&&(t.replaceSelection(R+R+R+R,"before"),t.execCommand("goCharRight"));var a,o})}(i,t)}}function s(e){var t=e.state.closeBrackets;return!t||t.override?t:e.getModeAt(e.getCursor()).closeBrackets||t}function l(e,t){var n=e.getRange(r(t.line,t.ch-1),r(t.line,t.ch+1));return 2==n.length?n:null}a(t.pairs+"`")});