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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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var Pos = CodeMirror.Pos;
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function forEach(arr, f) {
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for (var i = 0, e = arr.length; i < e; ++i) f(arr[i]);
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}
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function arrayContains(arr, item) {
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if (!Array.prototype.indexOf) {
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var i = arr.length;
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while (i--) {
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if (arr[i] === item) {
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return true;
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}
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}
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return false;
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}
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return arr.indexOf(item) != -1;
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}
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function scriptHint(editor, keywords, getToken, options) {
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// Find the token at the cursor
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var cur = editor.getCursor(), token = getToken(editor, cur);
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if (/\b(?:string|comment)\b/.test(token.type)) return;
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token.state = CodeMirror.innerMode(editor.getMode(), token.state).state;
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// If it's not a 'word-style' token, ignore the token.
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if (!/^[\w$_]*$/.test(token.string)) {
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token = {start: cur.ch, end: cur.ch, string: "", state: token.state,
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type: token.string == "." ? "property" : null};
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} else if (token.end > cur.ch) {
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token.end = cur.ch;
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token.string = token.string.slice(0, cur.ch - token.start);
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}
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var tprop = token;
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// If it is a property, find out what it is a property of.
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while (tprop.type == "property") {
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tprop = getToken(editor, Pos(cur.line, tprop.start));
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if (tprop.string != ".") return;
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tprop = getToken(editor, Pos(cur.line, tprop.start));
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if (!context) var context = [];
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context.push(tprop);
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}
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// 发消息让其他组件注入 其他hint
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CodeMirror.signal(editor, "hinting");
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var myhints = editor.state.myhints
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var needToClearJSHint = editor.state.needToClearJSHint
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if (needToClearJSHint) { // 不使用js的hint，可能注入了其他语言的hint
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keywords = []
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editor.state.needToClearJSHint = false;
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}
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myhints && myhints.forEach(function(item) {
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if (!arrayContains(keywords, item)) keywords.push(item)
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})
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return {list: getCompletions(token, context, keywords, options),
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from: Pos(cur.line, token.start),
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to: Pos(cur.line, token.end)};
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}
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function javascriptHint(editor, options) {
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return scriptHint(editor, javascriptKeywords,
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function (e, cur) {return e.getTokenAt(cur);},
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options);
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};
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CodeMirror.registerHelper("hint", "javascript", javascriptHint);
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function getCoffeeScriptToken(editor, cur) {
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// This getToken, it is for coffeescript, imitates the behavior of
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// getTokenAt method in javascript.js, that is, returning "property"
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// type and treat "." as indepenent token.
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var token = editor.getTokenAt(cur);
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if (cur.ch == token.start + 1 && token.string.charAt(0) == '.') {
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token.end = token.start;
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token.string = '.';
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token.type = "property";
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}
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else if (/^\.[\w$_]*$/.test(token.string)) {
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token.type = "property";
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token.start++;
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token.string = token.string.replace(/\./, '');
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}
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return token;
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}
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function coffeescriptHint(editor, options) {
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return scriptHint(editor, coffeescriptKeywords, getCoffeeScriptToken, options);
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}
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CodeMirror.registerHelper("hint", "coffeescript", coffeescriptHint);
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/* var stringProps = ("charAt charCodeAt indexOf lastIndexOf substring substr slice trim trimLeft trimRight " +
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"toUpperCase toLowerCase split concat match replace search").split(" ");
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var arrayProps = ("length concat join splice push pop shift unshift slice reverse sort indexOf " +
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"lastIndexOf every some filter forEach map reduce reduceRight ").split(" ");
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var funcProps = "prototype apply call bind".split(" ");*/
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var javascriptKeywords = ("double float int long short null true false enum super this void auto for register static const friend mutable explicit virtual template typename printf " +
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"break continue return do while if else for instanceof switch case default try catch finally throw throws assert import package boolean byte char delete private " +
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"inline struct union signed unsigned export extern namespace using operator sizeof typedef typeid and del from not as elif or with pass except " +
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"print exec raise is def lambda private protected public abstract class extends final implements interface native new static strictfp synchronized transient main " +
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"String string System println vector bool boolean FALSE TRUE function").split(" ");
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/*
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var coffeescriptKeywords = ("and break catch class continue delete do else extends false finally for " +
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"if in instanceof isnt new no not null of off on or return switch then throw true try typeof until void while with yes").split(" ");
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*/
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function forAllProps(obj, callback) {
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if (!Object.getOwnPropertyNames || !Object.getPrototypeOf) {
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for (var name in obj) callback(name)
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} else {
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for (var o = obj; o; o = Object.getPrototypeOf(o))
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Object.getOwnPropertyNames(o).forEach(callback)
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}
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}
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function getCompletions(token, context, keywords, options) {
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var found = [], start = token.string, global = options && options.globalScope || window;
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function maybeAdd(str) {
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// var results = fuzzysort.go(start, [str])
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// if ( results.total && !arrayContains(found, str) ) found.push(str);
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if (fuzzysort && fuzzysort.single) {
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// 使用模糊搜索
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var results = fuzzysort.single(start, str)
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if ( results && results.score <= 0 && !arrayContains(found, str)) found.push(str);
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} else {
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if (str.lastIndexOf(start, 0) == 0 && !arrayContains(found, str)) found.push(str);
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}
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}
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function gatherCompletions(obj) {
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if (typeof obj == "string") forEach(stringProps, maybeAdd);
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else if (obj instanceof Array) forEach(arrayProps, maybeAdd);
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else if (obj instanceof Function) forEach(funcProps, maybeAdd);
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forAllProps(obj, maybeAdd)
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}
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// 不启用context context强制要求了lib的调用才提示，比如Math.a 就会提示 Math.abs
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if (false && context && context.length) {
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// If this is a property, see if it belongs to some object we can
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// find in the current environment.
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var obj = context.pop(), base;
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if (obj.type && obj.type.indexOf("variable") === 0) {
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if (options && options.additionalContext)
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base = options.additionalContext[obj.string];
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if (!options || options.useGlobalScope !== false)
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base = base || global[obj.string];
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} else if (obj.type == "string") {
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base = "";
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} else if (obj.type == "atom") {
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base = 1;
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} else if (obj.type == "function") {
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if (global.jQuery != null && (obj.string == '$' || obj.string == 'jQuery') &&
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(typeof global.jQuery == 'function'))
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base = global.jQuery();
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else if (global._ != null && (obj.string == '_') && (typeof global._ == 'function'))
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base = global._();
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}
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while (base != null && context.length)
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base = base[context.pop().string];
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if (base != null) gatherCompletions(base);
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} else {
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// If not, just look in the global object and any local scope
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// (reading into JS mode internals to get at the local and global variables)
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/* for (var v = token.state.localVars; v; v = v.next) maybeAdd(v.name);*/
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/* for (var v = token.state.globalVars; v; v = v.next) maybeAdd(v.name);
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if (!options || options.useGlobalScope !== false)
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gatherCompletions(global);*/
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// forEach(keywords, maybeAdd);
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var result = fuzzysort.go(start, keywords)
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result && result.forEach(function(item) {
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found.push(item.target)
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})
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}
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return found;
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}
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});
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