GPQAPP

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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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  if (typeof exports == "object" && typeof module == "object") // CommonJS
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    mod(require("../../lib/codemirror"), require("../../mode/css/css"));
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  else if (typeof define == "function" && define.amd) // AMD
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    define(["../../lib/codemirror", "../../mode/css/css"], mod);
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  else // Plain browser env
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    mod(CodeMirror);
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})(function(CodeMirror) {
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  "use strict";
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  var pseudoClasses = {"active":1, "after":1, "before":1, "checked":1, "default":1,
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    "disabled":1, "empty":1, "enabled":1, "first-child":1, "first-letter":1,
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    "first-line":1, "first-of-type":1, "focus":1, "hover":1, "in-range":1,
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    "indeterminate":1, "invalid":1, "lang":1, "last-child":1, "last-of-type":1,
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    "link":1, "not":1, "nth-child":1, "nth-last-child":1, "nth-last-of-type":1,
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    "nth-of-type":1, "only-of-type":1, "only-child":1, "optional":1, "out-of-range":1,
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    "placeholder":1, "read-only":1, "read-write":1, "required":1, "root":1,
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    "selection":1, "target":1, "valid":1, "visited":1
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  };
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  CodeMirror.registerHelper("hint", "css", function(cm) {
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    var cur = cm.getCursor(), token = cm.getTokenAt(cur);
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    var inner = CodeMirror.innerMode(cm.getMode(), token.state);
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    if (inner.mode.name != "css") return;
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    if (token.type == "keyword" && "!important".indexOf(token.string) == 0)
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      return {list: ["!important"], from: CodeMirror.Pos(cur.line, token.start),
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              to: CodeMirror.Pos(cur.line, token.end)};
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    var start = token.start, end = cur.ch, word = token.string.slice(0, end - start);
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    if (/[^\w$_-]/.test(word)) {
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      word = ""; start = end = cur.ch;
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    }
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    var spec = CodeMirror.resolveMode("text/css");
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    var result = [];
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    function add(keywords) {
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      for (var name in keywords)
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        if (!word || name.lastIndexOf(word, 0) == 0)
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          result.push(name);
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    }
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    var st = inner.state.state;
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    if (st == "pseudo" || token.type == "variable-3") {
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      add(pseudoClasses);
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    } else if (st == "block" || st == "maybeprop") {
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      add(spec.propertyKeywords);
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    } else if (st == "prop" || st == "parens" || st == "at" || st == "params") {
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      add(spec.valueKeywords);
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      add(spec.colorKeywords);
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    } else if (st == "media" || st == "media_parens") {
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      add(spec.mediaTypes);
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      add(spec.mediaFeatures);
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    }
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    if (result.length) return {
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      list: result,
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      from: CodeMirror.Pos(cur.line, start),
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      to: CodeMirror.Pos(cur.line, end)
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    };
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  });
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});
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