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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
var Pos = CodeMirror.Pos;
function forEach(arr, f) {
for (var i = 0, e = arr.length; i < e; ++i) f(arr[i]);
}
function arrayContains(arr, item) {
if (!Array.prototype.indexOf) {
var i = arr.length;
while (i--) {
if (arr[i] === item) {
return true;
}
}
return false;
}
return arr.indexOf(item) != -1;
}
function scriptHint(editor, keywords, getToken, options) {
// Find the token at the cursor
var cur = editor.getCursor(), token = getToken(editor, cur);
if (/\b(?:string|comment)\b/.test(token.type)) return;
token.state = CodeMirror.innerMode(editor.getMode(), token.state).state;
// If it's not a 'word-style' token, ignore the token.
if (!/^[\w$_]*$/.test(token.string)) {
token = {start: cur.ch, end: cur.ch, string: "", state: token.state,
type: token.string == "." ? "property" : null};
} else if (token.end > cur.ch) {
token.end = cur.ch;
token.string = token.string.slice(0, cur.ch - token.start);
}
var tprop = token;
// If it is a property, find out what it is a property of.
while (tprop.type == "property") {
tprop = getToken(editor, Pos(cur.line, tprop.start));
if (tprop.string != ".") return;
tprop = getToken(editor, Pos(cur.line, tprop.start));
if (!context) var context = [];
context.push(tprop);
}
return {list: getCompletions(token, context, keywords, options),
from: Pos(cur.line, token.start),
to: Pos(cur.line, token.end)};
}
function javascriptHint(editor, options) {
return scriptHint(editor, javascriptKeywords,
function (e, cur) {return e.getTokenAt(cur);},
options);
};
CodeMirror.registerHelper("hint", "javascript", javascriptHint);
function getCoffeeScriptToken(editor, cur) {
// This getToken, it is for coffeescript, imitates the behavior of
// getTokenAt method in javascript.js, that is, returning "property"
// type and treat "." as indepenent token.
var token = editor.getTokenAt(cur);
if (cur.ch == token.start + 1 && token.string.charAt(0) == '.') {
token.end = token.start;
token.string = '.';
token.type = "property";
}
else if (/^\.[\w$_]*$/.test(token.string)) {
token.type = "property";
token.start++;
token.string = token.string.replace(/\./, '');
}
return token;
}
function coffeescriptHint(editor, options) {
return scriptHint(editor, coffeescriptKeywords, getCoffeeScriptToken, options);
}
CodeMirror.registerHelper("hint", "coffeescript", coffeescriptHint);
var stringProps = ("charAt charCodeAt indexOf lastIndexOf substring substr slice trim trimLeft trimRight " +
"toUpperCase toLowerCase split concat match replace search").split(" ");
var arrayProps = ("length concat join splice push pop shift unshift slice reverse sort indexOf " +
"lastIndexOf every some filter forEach map reduce reduceRight ").split(" ");
var funcProps = "prototype apply call bind".split(" ");
var javascriptKeywords = ("break case catch continue debugger default delete do else false finally for function " +
"if in instanceof new null return switch throw true try typeof var void while with").split(" ");
var coffeescriptKeywords = ("and break catch class continue delete do else extends false finally for " +
"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(" ");
function getCompletions(token, context, keywords, options) {
var found = [], start = token.string, global = options && options.globalScope || window;
function maybeAdd(str) {
if (str.lastIndexOf(start, 0) == 0 && !arrayContains(found, str)) found.push(str);
}
function gatherCompletions(obj) {
if (typeof obj == "string") forEach(stringProps, maybeAdd);
else if (obj instanceof Array) forEach(arrayProps, maybeAdd);
else if (obj instanceof Function) forEach(funcProps, maybeAdd);
for (var name in obj) maybeAdd(name);
}
if (context && context.length) {
// If this is a property, see if it belongs to some object we can
// find in the current environment.
var obj = context.pop(), base;
if (obj.type && obj.type.indexOf("variable") === 0) {
if (options && options.additionalContext)
base = options.additionalContext[obj.string];
if (!options || options.useGlobalScope !== false)
base = base || global[obj.string];
} else if (obj.type == "string") {
base = "";
} else if (obj.type == "atom") {
base = 1;
} else if (obj.type == "function") {
if (global.jQuery != null && (obj.string == '$' || obj.string == 'jQuery') &&
(typeof global.jQuery == 'function'))
base = global.jQuery();
else if (global._ != null && (obj.string == '_') && (typeof global._ == 'function'))
base = global._();
}
while (base != null && context.length)
base = base[context.pop().string];
if (base != null) gatherCompletions(base);
} else {
// If not, just look in the global object and any local scope
// (reading into JS mode internals to get at the local and global variables)
for (var v = token.state.localVars; v; v = v.next) maybeAdd(v.name);
for (var v = token.state.globalVars; v; v = v.next) maybeAdd(v.name);
if (!options || options.useGlobalScope !== false)
gatherCompletions(global);
forEach(keywords, maybeAdd);
}
return found;
}
});
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