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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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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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|
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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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|
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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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|
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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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|
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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 = ("break case catch continue debugger default delete do else false finally for function " + |
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"if in instanceof new null return switch throw true try typeof var void while with").split(" "); |
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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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|
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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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if (str.lastIndexOf(start, 0) == 0 && !arrayContains(found, str)) found.push(str); |
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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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|
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if (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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} |
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return found; |
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} |
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}); |
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