43 lines
1.7 KiB
JavaScript
Executable File
43 lines
1.7 KiB
JavaScript
Executable File
// 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) {
|
|
"use strict";
|
|
|
|
var WORD = /[\w$]+/, RANGE = 500;
|
|
|
|
CodeMirror.registerHelper("hint", "anyword", function(editor, options) {
|
|
var word = options && options.word || WORD;
|
|
var range = options && options.range || RANGE;
|
|
var cur = editor.getCursor(), curLine = editor.getLine(cur.line);
|
|
var start = cur.ch, end = start;
|
|
while (end < curLine.length && word.test(curLine.charAt(end))) ++end;
|
|
while (start && word.test(curLine.charAt(start - 1))) --start;
|
|
var curWord = start != end && curLine.slice(start, end);
|
|
|
|
var list = [], seen = {};
|
|
var re = new RegExp(word.source, "g");
|
|
for (var dir = -1; dir <= 1; dir += 2) {
|
|
var line = cur.line, endLine = Math.min(Math.max(line + dir * range, editor.firstLine()), editor.lastLine()) + dir;
|
|
for (; line != endLine; line += dir) {
|
|
var text = editor.getLine(line), m;
|
|
while (m = re.exec(text)) {
|
|
if (line == cur.line && m[0] === curWord) continue;
|
|
if ((!curWord || m[0].lastIndexOf(curWord, 0) == 0) && !Object.prototype.hasOwnProperty.call(seen, m[0])) {
|
|
seen[m[0]] = true;
|
|
list.push(m[0]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return {list: list, from: CodeMirror.Pos(cur.line, start), to: CodeMirror.Pos(cur.line, end)};
|
|
});
|
|
});
|