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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"));
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  else if (typeof define == "function" && define.amd) // AMD
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    define(["../../lib/codemirror"], 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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CodeMirror.defineMode("toml", function () {
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  return {
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    startState: function () {
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      return {
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        inString: false,
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        stringType: "",
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        lhs: true,
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        inArray: 0
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      };
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    },
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    token: function (stream, state) {
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      //check for state changes
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      if (!state.inString && ((stream.peek() == '"') || (stream.peek() == "'"))) {
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        state.stringType = stream.peek();
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        stream.next(); // Skip quote
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        state.inString = true; // Update state
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      }
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      if (stream.sol() && state.inArray === 0) {
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        state.lhs = true;
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      }
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      //return state
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      if (state.inString) {
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        while (state.inString && !stream.eol()) {
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          if (stream.peek() === state.stringType) {
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            stream.next(); // Skip quote
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            state.inString = false; // Clear flag
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          } else if (stream.peek() === '\\') {
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            stream.next();
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            stream.next();
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          } else {
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            stream.match(/^.[^\\\"\']*/);
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          }
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        }
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        return state.lhs ? "property string" : "string"; // Token style
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      } else if (state.inArray && stream.peek() === ']') {
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        stream.next();
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        state.inArray--;
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        return 'bracket';
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      } else if (state.lhs && stream.peek() === '[' && stream.skipTo(']')) {
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        stream.next();//skip closing ]
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        // array of objects has an extra open & close []
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        if (stream.peek() === ']') stream.next();
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        return "atom";
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      } else if (stream.peek() === "#") {
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        stream.skipToEnd();
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        return "comment";
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      } else if (stream.eatSpace()) {
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        return null;
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      } else if (state.lhs && stream.eatWhile(function (c) { return c != '=' && c != ' '; })) {
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        return "property";
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      } else if (state.lhs && stream.peek() === "=") {
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        stream.next();
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        state.lhs = false;
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        return null;
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      } else if (!state.lhs && stream.match(/^\d\d\d\d[\d\-\:\.T]*Z/)) {
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        return 'atom'; //date
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      } else if (!state.lhs && (stream.match('true') || stream.match('false'))) {
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        return 'atom';
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      } else if (!state.lhs && stream.peek() === '[') {
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        state.inArray++;
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        stream.next();
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        return 'bracket';
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      } else if (!state.lhs && stream.match(/^\-?\d+(?:\.\d+)?/)) {
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        return 'number';
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      } else if (!stream.eatSpace()) {
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        stream.next();
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      }
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      return null;
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    }
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  };
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});
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CodeMirror.defineMIME('text/x-toml', 'toml');
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});
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