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