diffusion/src/node_modules/topics/full-path-selector.js

Diffusion JavaScript client

var inherits = require('inherits');

var regex = require('util/regex');
var utils = require('topics/topic-path-utils');
var TopicSelector = require('../../selectors/topic-selector');

var DQ = utils.DescendantQualifier;

function FullPathSelector(components) {
    switch (components.qualifier) {
        case DQ.MATCH :
            this.regex = regex(components.base);
            break;
        case DQ.DESCENDANTS_OF_MATCH :
            this.regex = regex(components.base + "/.+");
            break;
        case DQ.MATCH_AND_DESCENDANTS :
            this.regex = regex(components.base + "(?:$|/.+)");
            break;
    }

    TopicSelector.call(
        this,
        components.type,
        components.prefix,
        components.expression);
}

inherits(FullPathSelector, TopicSelector);

FullPathSelector.prototype.doSelects = function (topicPath) {
    return this.regex(topicPath);
};

module.exports = FullPathSelector;