Overleaf/services/web/public/js/ace/mode/xml_util.js

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define(function(require, exports, module) {
"use strict";

function string(state) {
    return [{
        token : "string",
        regex : '"',
        next : state + "_qqstring"
    }, {
        token : "string",
        regex : "'",
        next : state + "_qstring"
    }];
}

function multiLineString(quote, state) {
    return [
        {token : "string", regex : quote, next : state},
        {
            token : "constant.language.escape",
            regex : "(?:&#[0-9]+;)|(?:&#x[0-9a-fA-F]+;)|(?:&[a-zA-Z0-9_:\\.-]+;)" 
        },
        {defaultToken : "string"}
    ];
}

exports.tag = function(states, name, nextState, tagMap) {
    states[name] = [{
        token : "text",
        regex : "\\s+"
    }, {
        //token : "meta.tag",
        
    token : !tagMap ? "meta.tag.tag-name" : function(value) {
            if (tagMap[value])
                return "meta.tag.tag-name." + tagMap[value];
            else
                return "meta.tag.tag-name";
        },
        regex : "[-_a-zA-Z0-9:]+",
        next : name + "_embed_attribute_list" 
    }, {
        token: "empty",
        regex: "",
        next : name + "_embed_attribute_list"
    }];

    states[name + "_qstring"] = multiLineString("'", name + "_embed_attribute_list");
    states[name + "_qqstring"] = multiLineString("\"", name + "_embed_attribute_list");
    
    states[name + "_embed_attribute_list"] = [{
        token : "meta.tag.r",
        regex : "/?>",
        next : nextState
    }, {
        token : "keyword.operator",
        regex : "="
    }, {
        token : "entity.other.attribute-name",
        regex : "[-_a-zA-Z0-9:]+"
    }, {
        token : "constant.numeric", // float
        regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
    }, {
        token : "text",
        regex : "\\s+"
    }].concat(string(name));
};

});