Added coding style modes to SimpleMDE (#3286)

* Added coding style modes to SimpleMDE

* Moved the CodeMirror addon from simplemd to codemirror directory

public/plugins/codemirror-5.17.0/mode/cypher/cypher.js

@@ -0,0 +1,146 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+// By the Neo4j Team and contributors.
+// https://github.com/neo4j-contrib/CodeMirror
+
+(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 wordRegexp = function(words) {
+    return new RegExp("^(?:" + words.join("|") + ")$", "i");
+  };
+
+  CodeMirror.defineMode("cypher", function(config) {
+    var tokenBase = function(stream/*, state*/) {
+      var ch = stream.next();
+      if (ch === "\"" || ch === "'") {
+        stream.match(/.+?["']/);
+        return "string";
+      }
+      if (/[{}\(\),\.;\[\]]/.test(ch)) {
+        curPunc = ch;
+        return "node";
+      } else if (ch === "/" && stream.eat("/")) {
+        stream.skipToEnd();
+        return "comment";
+      } else if (operatorChars.test(ch)) {
+        stream.eatWhile(operatorChars);
+        return null;
+      } else {
+        stream.eatWhile(/[_\w\d]/);
+        if (stream.eat(":")) {
+          stream.eatWhile(/[\w\d_\-]/);
+          return "atom";
+        }
+        var word = stream.current();
+        if (funcs.test(word)) return "builtin";
+        if (preds.test(word)) return "def";
+        if (keywords.test(word)) return "keyword";
+        return "variable";
+      }
+    };
+    var pushContext = function(state, type, col) {
+      return state.context = {
+        prev: state.context,
+        indent: state.indent,
+        col: col,
+        type: type
+      };
+    };
+    var popContext = function(state) {
+      state.indent = state.context.indent;
+      return state.context = state.context.prev;
+    };
+    var indentUnit = config.indentUnit;
+    var curPunc;
+    var funcs = wordRegexp(["abs", "acos", "allShortestPaths", "asin", "atan", "atan2", "avg", "ceil", "coalesce", "collect", "cos", "cot", "count", "degrees", "e", "endnode", "exp", "extract", "filter", "floor", "haversin", "head", "id", "keys", "labels", "last", "left", "length", "log", "log10", "lower", "ltrim", "max", "min", "node", "nodes", "percentileCont", "percentileDisc", "pi", "radians", "rand", "range", "reduce", "rel", "relationship", "relationships", "replace", "reverse", "right", "round", "rtrim", "shortestPath", "sign", "sin", "size", "split", "sqrt", "startnode", "stdev", "stdevp", "str", "substring", "sum", "tail", "tan", "timestamp", "toFloat", "toInt", "toString", "trim", "type", "upper"]);
+    var preds = wordRegexp(["all", "and", "any", "contains", "exists", "has", "in", "none", "not", "or", "single", "xor"]);
+    var keywords = wordRegexp(["as", "asc", "ascending", "assert", "by", "case", "commit", "constraint", "create", "csv", "cypher", "delete", "desc", "descending", "detach", "distinct", "drop", "else", "end", "ends", "explain", "false", "fieldterminator", "foreach", "from", "headers", "in", "index", "is", "join", "limit", "load", "match", "merge", "null", "on", "optional", "order", "periodic", "profile", "remove", "return", "scan", "set", "skip", "start", "starts", "then", "true", "union", "unique", "unwind", "using", "when", "where", "with"]);
+    var operatorChars = /[*+\-<>=&|~%^]/;
+
+    return {
+      startState: function(/*base*/) {
+        return {
+          tokenize: tokenBase,
+          context: null,
+          indent: 0,
+          col: 0
+        };
+      },
+      token: function(stream, state) {
+        if (stream.sol()) {
+          if (state.context && (state.context.align == null)) {
+            state.context.align = false;
+          }
+          state.indent = stream.indentation();
+        }
+        if (stream.eatSpace()) {
+          return null;
+        }
+        var style = state.tokenize(stream, state);
+        if (style !== "comment" && state.context && (state.context.align == null) && state.context.type !== "pattern") {
+          state.context.align = true;
+        }
+        if (curPunc === "(") {
+          pushContext(state, ")", stream.column());
+        } else if (curPunc === "[") {
+          pushContext(state, "]", stream.column());
+        } else if (curPunc === "{") {
+          pushContext(state, "}", stream.column());
+        } else if (/[\]\}\)]/.test(curPunc)) {
+          while (state.context && state.context.type === "pattern") {
+            popContext(state);
+          }
+          if (state.context && curPunc === state.context.type) {
+            popContext(state);
+          }
+        } else if (curPunc === "." && state.context && state.context.type === "pattern") {
+          popContext(state);
+        } else if (/atom|string|variable/.test(style) && state.context) {
+          if (/[\}\]]/.test(state.context.type)) {
+            pushContext(state, "pattern", stream.column());
+          } else if (state.context.type === "pattern" && !state.context.align) {
+            state.context.align = true;
+            state.context.col = stream.column();
+          }
+        }
+        return style;
+      },
+      indent: function(state, textAfter) {
+        var firstChar = textAfter && textAfter.charAt(0);
+        var context = state.context;
+        if (/[\]\}]/.test(firstChar)) {
+          while (context && context.type === "pattern") {
+            context = context.prev;
+          }
+        }
+        var closing = context && firstChar === context.type;
+        if (!context) return 0;
+        if (context.type === "keywords") return CodeMirror.commands.newlineAndIndent;
+        if (context.align) return context.col + (closing ? 0 : 1);
+        return context.indent + (closing ? 0 : indentUnit);
+      }
+    };
+  });
+
+  CodeMirror.modeExtensions["cypher"] = {
+    autoFormatLineBreaks: function(text) {
+      var i, lines, reProcessedPortion;
+      var lines = text.split("\n");
+      var reProcessedPortion = /\s+\b(return|where|order by|match|with|skip|limit|create|delete|set)\b\s/g;
+      for (var i = 0; i < lines.length; i++)
+        lines[i] = lines[i].replace(reProcessedPortion, " \n$1 ").trim();
+      return lines.join("\n");
+    }
+  };
+
+  CodeMirror.defineMIME("application/x-cypher-query", "cypher");
+
+});