Commit | Line | Data |
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837afb80 TD |
1 | (function(mod) { |
2 | if (typeof exports == "object" && typeof module == "object") // CommonJS | |
3 | mod(require("../../lib/codemirror")); | |
4 | else if (typeof define == "function" && define.amd) // AMD | |
5 | define(["../../lib/codemirror"], mod); | |
6 | else // Plain browser env | |
7 | mod(CodeMirror); | |
8 | })(function(CodeMirror) { | |
77b7b761 TD |
9 | var Pos = CodeMirror.Pos; |
10 | ||
11 | function forEach(arr, f) { | |
12 | for (var i = 0, e = arr.length; i < e; ++i) f(arr[i]); | |
13 | } | |
14 | ||
15 | function arrayContains(arr, item) { | |
16 | if (!Array.prototype.indexOf) { | |
17 | var i = arr.length; | |
18 | while (i--) { | |
19 | if (arr[i] === item) { | |
20 | return true; | |
21 | } | |
22 | } | |
23 | return false; | |
24 | } | |
25 | return arr.indexOf(item) != -1; | |
26 | } | |
27 | ||
28 | function scriptHint(editor, keywords, getToken, options) { | |
29 | // Find the token at the cursor | |
30 | var cur = editor.getCursor(), token = getToken(editor, cur), tprop = token; | |
837afb80 | 31 | if (/\b(?:string|comment)\b/.test(token.type)) return; |
77b7b761 TD |
32 | token.state = CodeMirror.innerMode(editor.getMode(), token.state).state; |
33 | ||
34 | // If it's not a 'word-style' token, ignore the token. | |
35 | if (!/^[\w$_]*$/.test(token.string)) { | |
36 | token = tprop = {start: cur.ch, end: cur.ch, string: "", state: token.state, | |
37 | type: token.string == "." ? "property" : null}; | |
38 | } | |
39 | // If it is a property, find out what it is a property of. | |
40 | while (tprop.type == "property") { | |
41 | tprop = getToken(editor, Pos(cur.line, tprop.start)); | |
42 | if (tprop.string != ".") return; | |
43 | tprop = getToken(editor, Pos(cur.line, tprop.start)); | |
77b7b761 TD |
44 | if (!context) var context = []; |
45 | context.push(tprop); | |
46 | } | |
47 | return {list: getCompletions(token, context, keywords, options), | |
48 | from: Pos(cur.line, token.start), | |
49 | to: Pos(cur.line, token.end)}; | |
50 | } | |
51 | ||
837afb80 | 52 | function javascriptHint(editor, options) { |
77b7b761 TD |
53 | return scriptHint(editor, javascriptKeywords, |
54 | function (e, cur) {return e.getTokenAt(cur);}, | |
55 | options); | |
56 | }; | |
837afb80 | 57 | CodeMirror.registerHelper("hint", "javascript", javascriptHint); |
77b7b761 TD |
58 | |
59 | function getCoffeeScriptToken(editor, cur) { | |
60 | // This getToken, it is for coffeescript, imitates the behavior of | |
61 | // getTokenAt method in javascript.js, that is, returning "property" | |
62 | // type and treat "." as indepenent token. | |
63 | var token = editor.getTokenAt(cur); | |
64 | if (cur.ch == token.start + 1 && token.string.charAt(0) == '.') { | |
65 | token.end = token.start; | |
66 | token.string = '.'; | |
67 | token.type = "property"; | |
68 | } | |
69 | else if (/^\.[\w$_]*$/.test(token.string)) { | |
70 | token.type = "property"; | |
71 | token.start++; | |
72 | token.string = token.string.replace(/\./, ''); | |
73 | } | |
74 | return token; | |
75 | } | |
76 | ||
837afb80 | 77 | function coffeescriptHint(editor, options) { |
77b7b761 | 78 | return scriptHint(editor, coffeescriptKeywords, getCoffeeScriptToken, options); |
837afb80 TD |
79 | } |
80 | CodeMirror.registerHelper("hint", "coffeescript", coffeescriptHint); | |
77b7b761 TD |
81 | |
82 | var stringProps = ("charAt charCodeAt indexOf lastIndexOf substring substr slice trim trimLeft trimRight " + | |
83 | "toUpperCase toLowerCase split concat match replace search").split(" "); | |
84 | var arrayProps = ("length concat join splice push pop shift unshift slice reverse sort indexOf " + | |
85 | "lastIndexOf every some filter forEach map reduce reduceRight ").split(" "); | |
86 | var funcProps = "prototype apply call bind".split(" "); | |
87 | var javascriptKeywords = ("break case catch continue debugger default delete do else false finally for function " + | |
88 | "if in instanceof new null return switch throw true try typeof var void while with").split(" "); | |
89 | var coffeescriptKeywords = ("and break catch class continue delete do else extends false finally for " + | |
90 | "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(" "); | |
91 | ||
92 | function getCompletions(token, context, keywords, options) { | |
93 | var found = [], start = token.string; | |
94 | function maybeAdd(str) { | |
837afb80 | 95 | if (str.lastIndexOf(start, 0) == 0 && !arrayContains(found, str)) found.push(str); |
77b7b761 TD |
96 | } |
97 | function gatherCompletions(obj) { | |
98 | if (typeof obj == "string") forEach(stringProps, maybeAdd); | |
99 | else if (obj instanceof Array) forEach(arrayProps, maybeAdd); | |
100 | else if (obj instanceof Function) forEach(funcProps, maybeAdd); | |
101 | for (var name in obj) maybeAdd(name); | |
102 | } | |
103 | ||
837afb80 | 104 | if (context && context.length) { |
77b7b761 TD |
105 | // If this is a property, see if it belongs to some object we can |
106 | // find in the current environment. | |
107 | var obj = context.pop(), base; | |
837afb80 | 108 | if (obj.type && obj.type.indexOf("variable") === 0) { |
77b7b761 TD |
109 | if (options && options.additionalContext) |
110 | base = options.additionalContext[obj.string]; | |
111 | base = base || window[obj.string]; | |
112 | } else if (obj.type == "string") { | |
113 | base = ""; | |
114 | } else if (obj.type == "atom") { | |
115 | base = 1; | |
116 | } else if (obj.type == "function") { | |
117 | if (window.jQuery != null && (obj.string == '$' || obj.string == 'jQuery') && | |
118 | (typeof window.jQuery == 'function')) | |
119 | base = window.jQuery(); | |
120 | else if (window._ != null && (obj.string == '_') && (typeof window._ == 'function')) | |
121 | base = window._(); | |
122 | } | |
123 | while (base != null && context.length) | |
124 | base = base[context.pop().string]; | |
125 | if (base != null) gatherCompletions(base); | |
837afb80 | 126 | } else { |
77b7b761 TD |
127 | // If not, just look in the window object and any local scope |
128 | // (reading into JS mode internals to get at the local and global variables) | |
129 | for (var v = token.state.localVars; v; v = v.next) maybeAdd(v.name); | |
130 | for (var v = token.state.globalVars; v; v = v.next) maybeAdd(v.name); | |
131 | gatherCompletions(window); | |
132 | forEach(keywords, maybeAdd); | |
133 | } | |
134 | return found; | |
135 | } | |
837afb80 | 136 | }); |