overleaf/services/web/public/js/ace/mode/json_highlight_rules.js

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 * Copyright (c) 2010, Ajax.org B.V.
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define(function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;

var JsonHighlightRules = function() {

    // regexp must not have capturing parentheses. Use (?:) instead.
    // regexps are ordered -> the first match is used
    this.$rules = {
        "start" : [
            {
                token : "variable", // single line
                regex : '["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]\\s*(?=:)'
            }, {
                token : "string", // single line
                regex : '"',
                next  : "string"
            }, {
                token : "constant.numeric", // hex
                regex : "0[xX][0-9a-fA-F]+\\b"
            }, {
                token : "constant.numeric", // float
                regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
            }, {
                token : "constant.language.boolean",
                regex : "(?:true|false)\\b"
            }, {
                token : "invalid.illegal", // single quoted strings are not allowed
                regex : "['](?:(?:\\\\.)|(?:[^'\\\\]))*?[']"
            }, {
                token : "invalid.illegal", // comments are not allowed
                regex : "\\/\\/.*$"
            }, {
                token : "paren.lparen",
                regex : "[[({]"
            }, {
                token : "paren.rparen",
                regex : "[\\])}]"
            }, {
                token : "text",
                regex : "\\s+"
            }
        ],
        "string" : [
            {
                token : "constant.language.escape",
                regex : /\\(?:x[0-9a-fA-F]{2}|u[0-9a-fA-F]{4}|["\\\/bfnrt])/
            }, {
                token : "string",
                regex : '[^"\\\\]+'
            }, {
                token : "string",
                regex : '"',
                next  : "start"
            }, {
                token : "string",
                regex : "",
                next  : "start"
            }
        ]
    };
    
};

oop.inherits(JsonHighlightRules, TextHighlightRules);

exports.JsonHighlightRules = JsonHighlightRules;
});