1// CodeMirror, copyright (c) by Marijn Haverbeke and others
  2// Distributed under an MIT license: https://codemirror.net/LICENSE
  3
  4(function(mod) {
  5  if (typeof exports == "object" && typeof module == "object") // CommonJS
  6    mod(require("../../lib/codemirror"));
  7  else if (typeof define == "function" && define.amd) // AMD
  8    define(["../../lib/codemirror"], mod);
  9  else // Plain browser env
 10    mod(CodeMirror);
 11})(function(CodeMirror) {
 12  "use strict";
 13
 14  CodeMirror.defineMode("spreadsheet", function () {
 15    return {
 16      startState: function () {
 17        return {
 18          stringType: null,
 19          stack: []
 20        };
 21      },
 22      token: function (stream, state) {
 23        if (!stream) return;
 24
 25        //check for state changes
 26        if (state.stack.length === 0) {
 27          //strings
 28          if ((stream.peek() == '"') || (stream.peek() == "'")) {
 29            state.stringType = stream.peek();
 30            stream.next(); // Skip quote
 31            state.stack.unshift("string");
 32          }
 33        }
 34
 35        //return state
 36        //stack has
 37        switch (state.stack[0]) {
 38        case "string":
 39          while (state.stack[0] === "string" && !stream.eol()) {
 40            if (stream.peek() === state.stringType) {
 41              stream.next(); // Skip quote
 42              state.stack.shift(); // Clear flag
 43            } else if (stream.peek() === "\\") {
 44              stream.next();
 45              stream.next();
 46            } else {
 47              stream.match(/^.[^\\\"\']*/);
 48            }
 49          }
 50          return "string";
 51
 52        case "characterClass":
 53          while (state.stack[0] === "characterClass" && !stream.eol()) {
 54            if (!(stream.match(/^[^\]\\]+/) || stream.match(/^\\./)))
 55              state.stack.shift();
 56          }
 57          return "operator";
 58        }
 59
 60        var peek = stream.peek();
 61
 62        //no stack
 63        switch (peek) {
 64        case "[":
 65          stream.next();
 66          state.stack.unshift("characterClass");
 67          return "bracket";
 68        case ":":
 69          stream.next();
 70          return "operator";
 71        case "\\":
 72          if (stream.match(/\\[a-z]+/)) return "string-2";
 73          else {
 74            stream.next();
 75            return "atom";
 76          }
 77        case ".":
 78        case ",":
 79        case ";":
 80        case "*":
 81        case "-":
 82        case "+":
 83        case "^":
 84        case "<":
 85        case "/":
 86        case "=":
 87          stream.next();
 88          return "atom";
 89        case "$":
 90          stream.next();
 91          return "builtin";
 92        }
 93
 94        if (stream.match(/\d+/)) {
 95          if (stream.match(/^\w+/)) return "error";
 96          return "number";
 97        } else if (stream.match(/^[a-zA-Z_]\w*/)) {
 98          if (stream.match(/(?=[\(.])/, false)) return "keyword";
 99          return "variable-2";
100        } else if (["[", "]", "(", ")", "{", "}"].indexOf(peek) != -1) {
101          stream.next();
102          return "bracket";
103        } else if (!stream.eatSpace()) {
104          stream.next();
105        }
106        return null;
107      }
108    };
109  });
110
111  CodeMirror.defineMIME("text/x-spreadsheet", "spreadsheet");
112});