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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"), require("../../mode/css/css"));
  else if (typeof define == "function" && define.amd) // AMD
    define(["../../lib/codemirror", "../../mode/css/css"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
  "use strict";

var pseudoClasses = {"active":1, "after":1, "before":1, "checked":1, "default":1,
    "disabled":1, "empty":1, "enabled":1, "first-child":1, "first-letter":1,
    "first-line":1, "first-of-type":1, "focus":1, "hover":1, "in-range":1,
    "indeterminate":1, "invalid":1, "lang":1, "last-child":1, "last-of-type":1,
    "link":1, "not":1, "nth-child":1, "nth-last-child":1, "nth-last-of-type":1,
    "nth-of-type":1, "only-of-type":1, "only-child":1, "optional":1, "out-of-range":1,
    "placeholder":1, "read-only":1, "read-write":1, "required":1, "root":1,
    "selection":1, "target":1, "valid":1, "visited":1
  };

CodeMirror.registerHelper("hint", "css", function(cm) {
    var cur = cm.getCursor(), token = cm.getTokenAt(cur);
    var inner = CodeMirror.innerMode(cm.getMode(), token.state);
    if (inner.mode.name != "css") return;

if (token.type == "keyword" && "!important".indexOf(token.string) == 0)
      return {list: ["!important"], from: CodeMirror.Pos(cur.line, token.start),
              to: CodeMirror.Pos(cur.line, token.end)};

var start = token.start, end = cur.ch, word = token.string.slice(0, end - start);
    if (/[^\w$_-]/.test(word)) {
      word = ""; start = end = cur.ch;
    }

var spec = CodeMirror.resolveMode("text/css");

var result = [];
    function add(keywords) {
      for (var name in keywords)
        if (!word || name.lastIndexOf(word, 0) == 0)
          result.push(name);
    }

if (result.length) return {
      list: result,
      from: CodeMirror.Pos(cur.line, start),
      to: CodeMirror.Pos(cur.line, end)
    };
  });
});