search.js

!function(mod){"object"==typeof exports&&"object"==typeof module?mod(require("../../lib/codemirror"),require("./searchcursor"),require("../dialog/dialog")):"function"==typeof define&&define.amd?define(["../../lib/codemirror","./searchcursor","../dialog/dialog"],mod):mod(CodeMirror)}(function(CodeMirror){"use strict";function searchOverlay(query,caseInsensitive){return"string"==typeof query?query=new RegExp(query.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g,"\\$&"),caseInsensitive?"gi":"g"):query.global||(query=new RegExp(query.source,query.ignoreCase?"gi":"g")),{token:function(stream){query.lastIndex=stream.pos;var match=query.exec(stream.string);if(match&&match.index==stream.pos)return stream.pos+=match[0].length||1,"searching";match?stream.pos=match.index:stream.skipToEnd()}}}function SearchState(){this.posFrom=this.posTo=this.lastQuery=this.query=null,this.overlay=null}function getSearchState(cm){return cm.state.search||(cm.state.search=new SearchState)}function queryCaseInsensitive(query){return"string"==typeof query&&query==query.toLowerCase()}function getSearchCursor(cm,query,pos){return cm.getSearchCursor(query,pos,{caseFold:queryCaseInsensitive(query),multiline:!0})}function persistentDialog(cm,text,deflt,onEnter,onKeyDown){cm.openDialog(text,onEnter,{value:deflt,selectValueOnOpen:!0,closeOnEnter:!1,onClose:function(){clearSearch(cm)},onKeyDown:onKeyDown,bottom:cm.options.search.bottom})}function dialog(cm,text,shortText,deflt,f){cm.openDialog?cm.openDialog(text,f,{value:deflt,selectValueOnOpen:!0,bottom:cm.options.search.bottom}):f(prompt(shortText,deflt))}function confirmDialog(cm,text,shortText,fs){cm.openConfirm?cm.openConfirm(text,fs):confirm(shortText)&&fs[0]()}function parseString(string){return string.replace(/\\([nrt\\])/g,function(match,ch){return"n"==ch?"\n":"r"==ch?"\r":"t"==ch?"\t":"\\"==ch?"\\":match})}function parseQuery(query){var isRE=query.match(/^\/(.*)\/([a-z]*)$/);if(isRE)try{query=new RegExp(isRE[1],-1==isRE[2].indexOf("i")?"":"i")}catch(e){}else query=parseString(query);return("string"==typeof query?""==query:query.test(""))&&(query=/x^/),query}function startSearch(cm,state,query){state.queryText=query,state.query=parseQuery(query),cm.removeOverlay(state.overlay,queryCaseInsensitive(state.query)),state.overlay=searchOverlay(state.query,queryCaseInsensitive(state.query)),cm.addOverlay(state.overlay),cm.showMatchesOnScrollbar&&(state.annotate&&(state.annotate.clear(),state.annotate=null),state.annotate=cm.showMatchesOnScrollbar(state.query,queryCaseInsensitive(state.query)))}function doSearch(cm,rev,persistent,immediate){var state=getSearchState(cm);if(state.query)return findNext(cm,rev);var q=cm.getSelection()||state.lastQuery;if(q instanceof RegExp&&"x^"==q.source&&(q=null),persistent&&cm.openDialog){var hiding=null,searchNext=function(query,event){CodeMirror.e_stop(event),query&&(query!=state.queryText&&(startSearch(cm,state,query),state.posFrom=state.posTo=cm.getCursor()),hiding&&(hiding.style.opacity=1),findNext(cm,event.shiftKey,function(_,to){var dialog;to.line<3&&document.querySelector&&(dialog=cm.display.wrapper.querySelector(".CodeMirror-dialog"))&&dialog.getBoundingClientRect().bottom-4>cm.cursorCoords(to,"window").top&&((hiding=dialog).style.opacity=.4)}))};persistentDialog(cm,getQueryDialog(cm),q,searchNext,function(event,query){var keyName=CodeMirror.keyName(event),extra=cm.getOption("extraKeys"),cmd=extra&&extra[keyName]||CodeMirror.keyMap[cm.getOption("keyMap")][keyName];"findNext"==cmd||"findPrev"==cmd||"findPersistentNext"==cmd||"findPersistentPrev"==cmd?(CodeMirror.e_stop(event),startSearch(cm,getSearchState(cm),query),cm.execCommand(cmd)):"find"!=cmd&&"findPersistent"!=cmd||(CodeMirror.e_stop(event),searchNext(query,event))}),immediate&&q&&(startSearch(cm,state,q),findNext(cm,rev))}else dialog(cm,getQueryDialog(cm),"Search for:",q,function(query){query&&!state.query&&cm.operation(function(){startSearch(cm,state,query),state.posFrom=state.posTo=cm.getCursor(),findNext(cm,rev)})})}function findNext(cm,rev,callback){cm.operation(function(){var state=getSearchState(cm),cursor=getSearchCursor(cm,state.query,rev?state.posFrom:state.posTo);(cursor.find(rev)||(cursor=getSearchCursor(cm,state.query,rev?CodeMirror.Pos(cm.lastLine()):CodeMirror.Pos(cm.firstLine(),0))).find(rev))&&(cm.setSelection(cursor.from(),cursor.to()),cm.scrollIntoView({from:cursor.from(),to:cursor.to()},20),state.posFrom=cursor.from(),state.posTo=cursor.to(),callback&&callback(cursor.from(),cursor.to()))})}function clearSearch(cm){cm.operation(function(){var state=getSearchState(cm);state.lastQuery=state.query,state.query&&(state.query=state.queryText=null,cm.removeOverlay(state.overlay),state.annotate&&(state.annotate.clear(),state.annotate=null))})}function el(tag,attrs){var element=tag?document.createElement(tag):document.createDocumentFragment();for(var key in attrs)element[key]=attrs[key];for(var i=2;i<arguments.length;i++){var child=arguments[i];element.appendChild("string"==typeof child?document.createTextNode(child):child)}return element}function getQueryDialog(cm){var label=el("label",{className:"CodeMirror-search-label"},cm.phrase("Search:"),el("input",{type:"text",style:"width: 10em",className:"CodeMirror-search-field",id:"CodeMirror-search-field"}));return label.setAttribute("for","CodeMirror-search-field"),el("",null,label," ",el("span",{style:"color: #666",className:"CodeMirror-search-hint"},cm.phrase("(Use /re/ syntax for regexp search)")))}function getReplaceQueryDialog(cm){return el("",null," ",el("input",{type:"text",style:"width: 10em",className:"CodeMirror-search-field"})," ",el("span",{style:"color: #666",className:"CodeMirror-search-hint"},cm.phrase("(Use /re/ syntax for regexp search)")))}function getReplacementQueryDialog(cm){return el("",null,el("span",{className:"CodeMirror-search-label"},cm.phrase("With:"))," ",el("input",{type:"text",style:"width: 10em",className:"CodeMirror-search-field"}))}function getDoReplaceConfirm(cm){return el("",null,el("span",{className:"CodeMirror-search-label"},cm.phrase("Replace?"))," ",el("button",{},cm.phrase("Yes"))," ",el("button",{},cm.phrase("No"))," ",el("button",{},cm.phrase("All"))," ",el("button",{},cm.phrase("Stop")))}function replaceAll(cm,query,text){cm.operation(function(){for(var cursor=getSearchCursor(cm,query);cursor.findNext();)if("string"!=typeof query){var match=cm.getRange(cursor.from(),cursor.to()).match(query);cursor.replace(text.replace(/\$(\d)/g,function(_,i){return match[i]}))}else cursor.replace(text)})}function replace(cm,all){if(!cm.getOption("readOnly")){var query=cm.getSelection()||getSearchState(cm).lastQuery,dialogText=all?cm.phrase("Replace all:"):cm.phrase("Replace:"),fragment=el("",null,el("span",{className:"CodeMirror-search-label"},dialogText),getReplaceQueryDialog(cm));dialog(cm,fragment,dialogText,query,function(query){query&&(query=parseQuery(query),dialog(cm,getReplacementQueryDialog(cm),cm.phrase("Replace with:"),"",function(text){if(text=parseString(text),all)replaceAll(cm,query,text);else{clearSearch(cm);var cursor=getSearchCursor(cm,query,cm.getCursor("from")),advance=function(){var start=cursor.from(),match;!(match=cursor.findNext())&&(cursor=getSearchCursor(cm,query),!(match=cursor.findNext())||start&&cursor.from().line==start.line&&cursor.from().ch==start.ch)||(cm.setSelection(cursor.from(),cursor.to()),cm.scrollIntoView({from:cursor.from(),to:cursor.to()}),confirmDialog(cm,getDoReplaceConfirm(cm),cm.phrase("Replace?"),[function(){doReplace(match)},advance,function(){replaceAll(cm,query,text)}]))},doReplace=function(match){cursor.replace("string"==typeof query?text:text.replace(/\$(\d)/g,function(_,i){return match[i]})),advance()};advance()}}))})}}CodeMirror.defineOption("search",{bottom:!1}),CodeMirror.commands.find=function(cm){clearSearch(cm),doSearch(cm)},CodeMirror.commands.findPersistent=function(cm){clearSearch(cm),doSearch(cm,!1,!0)},CodeMirror.commands.findPersistentNext=function(cm){doSearch(cm,!1,!0,!0)},CodeMirror.commands.findPersistentPrev=function(cm){doSearch(cm,!0,!0,!0)},CodeMirror.commands.findNext=doSearch,CodeMirror.commands.findPrev=function(cm){doSearch(cm,!0)},CodeMirror.commands.clearSearch=clearSearch,CodeMirror.commands.replace=replace,CodeMirror.commands.replaceAll=function(cm){replace(cm,!0)}});