TiddlyWiki5/plugins/tiddlywiki/codemirror-search-replace/files/addon/search/searchcursor.js

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
!function(t){"object"==typeof exports&&"object"==typeof module?t(require("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],t):t(CodeMirror)}(function(t){"use strict";var e,n,r=t.Pos;function i(t,e){for(var n,r,i=null!=(r=(n=t).flags)?r:(n.ignoreCase?"i":"")+(n.global?"g":"")+(n.multiline?"m":""),o=i,l=0;l<e.length;l++)-1==o.indexOf(e.charAt(l))&&(o+=e.charAt(l));return i==o?t:new RegExp(t.source,o)}function o(t,e,n){e=i(e,"g");for(var o=n.line,l=n.ch,h=t.lastLine();o<=h;o++,l=0){e.lastIndex=l;var s=t.getLine(o),c=e.exec(s);if(c)return{from:r(o,c.index),to:r(o,c.index+c[0].length),match:c}}}function l(t,e){for(var n,r=0;;){e.lastIndex=r;var i=e.exec(t);if(!i)return n;if((r=(n=i).index+(n[0].length||1))==t.length)return n}}function h(t,e,n,r){if(t.length==e.length)return n;for(var i=0,o=n+Math.max(0,t.length-e.length);;){if(i==o)return i;var l=i+o>>1,h=r(t.slice(0,l)).length;if(h==n)return l;h>n?o=l:i=l+1}}function s(t,s,c,f){var u;this.atOccurrence=!1,this.doc=t,c=c?t.clipPos(c):r(0,0),this.pos={from:c,to:c},"object"==typeof f?u=f.caseFold:(u=f,f=null),"string"==typeof s?(null==u&&(u=!1),this.matches=function(i,o){return(i?function(t,i,o,l){if(!i.length)return null;var s=l?e:n,c=s(i).split(/\r|\n\r?/);t:for(var f=o.line,u=o.ch,a=t.firstLine()-1+c.length;f>=a;f--,u=-1){var g=t.getLine(f);u>-1&&(g=g.slice(0,u));var m=s(g);if(1==c.length){var d=m.lastIndexOf(c[0]);if(-1==d)continue t;return{from:r(f,h(g,m,d,s)),to:r(f,h(g,m,d+c[0].length,s))}}var v=c[c.length-1];if(m.slice(0,v.length)==v){var p=1;for(o=f-c.length+1;p<c.length-1;p++)if(s(t.getLine(o+p))!=c[p])continue t;var x=t.getLine(f+1-c.length),L=s(x);if(L.slice(L.length-c[0].length)==c[0])return{from:r(f+1-c.length,h(x,L,x.length-c[0].length,s)),to:r(f,h(g,m,v.length,s))}}}}:function(t,i,o,l){if(!i.length)return null;var s=l?e:n,c=s(i).split(/\r|\n\r?/);t:for(var f=o.line,u=o.ch,a=t.lastLine()+1-c.length;f<=a;f++,u=0){var 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g=o.slice(0,a.index).split("\n"),m=a[0].split("\n"),d=s+g.length,v=g[g.length-1].length;return{from:r(d,v),to:r(d+m.length-1,1==m.length?v+m[0].length:m[m.length-1].length),match:a}}}}:function(t,e,n){if(!/\\s|\\n|\n|\\W|\\D|\[\^/.test(e.source))return o(t,e,n);e=i(e,"gm");for(var l,h=1,s=n.line,c=t.lastLine();s<=c;){for(var f=0;f<h&&!(s>c);f++){var u=t.getLine(s++);l=null==l?u:l+"\n"+u}h*=2,e.lastIndex=n.ch;var a=e.exec(l);if(a){var g=l.slice(0,a.index).split("\n"),m=a[0].split("\n"),d=n.line+g.length-1,v=g[g.length-1].length;return{from:r(d,v),to:r(d+m.length-1,1==m.length?v+m[0].length:m[m.length-1].length),match:a}}}})(t,s,n)})}String.prototype.normalize?(e=function(t){return t.normalize("NFD").toLowerCase()},n=function(t){return t.normalize("NFD")}):(e=function(t){return t.toLowerCase()},n=function(t){return t}),s.prototype={findNext:function(){return this.find(!1)},findPrevious:function(){return this.find(!0)},find:function(e){for(var n=this.matches(e,this.doc.clipPos(e?this.pos.from:this.pos.to));n&&0==t.cmpPos(n.from,n.to);)e?n.from.ch?n.from=r(n.from.line,n.from.ch-1):n=n.from.line==this.doc.firstLine()?null:this.matches(e,this.doc.clipPos(r(n.from.line-1))):n.to.ch<this.doc.getLine(n.to.line).length?n.to=r(n.to.line,n.to.ch+1):n=n.to.line==this.doc.lastLine()?null:this.matches(e,r(n.to.line+1,0));if(n)return this.pos=n,this.atOccurrence=!0,this.pos.match||!0;var i=r(e?this.doc.firstLine():this.doc.lastLine()+1,0);return this.pos={from:i,to:i},this.atOccurrence=!1},from:function(){if(this.atOccurrence)return this.pos.from},to:function(){if(this.atOccurrence)return this.pos.to},replace:function(e,n){if(this.atOccurrence){var i=t.splitLines(e);this.doc.replaceRange(i,this.pos.from,this.pos.to,n),this.pos.to=r(this.pos.from.line+i.length-1,i[i.length-1].length+(1==i.length?this.pos.from.ch:0))}}},t.defineExtension("getSearchCursor",function(t,e,n){return new s(this.doc,t,e,n)}),t.defineDocExtension("getSearchCursor",function(t,e,n){return new s(this,t,e,n)}),t.defineExtension("selectMatches",function(e,n){for(var r=[],i=this.getSearchCursor(e,this.getCursor("from"),n);i.findNext()&&!(t.cmpPos(i.to(),this.getCursor("to"))>0);)r.push({anchor:i.from(),head:i.to()});r.length&&this.setSelections(r,0)})});