The smoke rises

public/js/lib/codemirror/addon/hint/css-hint.js

@@ -0,0 +1,56 @@
+// 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"), 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 = {link: 1, visited: 1, active: 1, hover: 1, focus: 1,
+                       "first-letter": 1, "first-line": 1, "first-child": 1,
+                       before: 1, after: 1, lang: 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;
+
+    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);
+    }
+
+    var st = inner.state.state;
+    if (st == "pseudo" || token.type == "variable-3") {
+      add(pseudoClasses);
+    } else if (st == "block" || st == "maybeprop") {
+      add(spec.propertyKeywords);
+    } else if (st == "prop" || st == "parens" || st == "at" || st == "params") {
+      add(spec.valueKeywords);
+      add(spec.colorKeywords);
+    } else if (st == "media" || st == "media_parens") {
+      add(spec.mediaTypes);
+      add(spec.mediaFeatures);
+    }
+
+    if (result.length) return {
+      list: result,
+      from: CodeMirror.Pos(cur.line, start),
+      to: CodeMirror.Pos(cur.line, end)
+    };
+  });
+});