renyard/validity

/**
 * Validity @version@
 * @copyright@
 * http://github.com/renyard/validity
 */
(function() {
    "use strict";
    var alt = false,
        shift = false,
        opts = {};

    /**
     * @private
     * @function
     * @name _requestValidation
     */
    function _requestValidation() {
        chrome.extension.sendRequest({'action': 'validate'});
    }

    /**
     * @private
     * @function
     * @name _getOptions
     */
    function _getOptions(callback) {
        chrome.extension.sendRequest({'action': 'options'}, function(options) {
            //    Copy to closure scope.
            opts = options;

            //    If a callback was passed in, call it, passing in object returned from controller.
            if (typeof callback === 'function') {
                callback(opts);
            }
        });
    }

    /**
     * @private
     * @function
     * @name _logMessages
     */
    function _logMessages(response) {
        var messages,
            message,
            line,
            errorCount = response.errorCount,
            warningCount = response.warningCount,
            infoCount = response.infoCount,
            toEval = '';

        messages = response.messages;

        if (messages === undefined) {
            /*!debug*/
            console.error('No messages returned from validator.');
            /*gubed!*/
            return;
        }

        if (errorCount > 0 || warningCount > 0 || infoCount > 0) {
            //    Collapse results based on option
            if (console.groupCollapsed && opts.collapseResults) {
                toEval += 'console.groupCollapsed';
            }
            else {
                toEval += 'console.group';
            }

            if (errorCount > 0) {
                toEval += '(\'' + errorCount + ' validation error' +
                    //    Add s for plural
                    (errorCount > 1?'s':'') +
                    '\');';
            }
            else {
                toEval += '(\'Document is valid with ' + warningCount + ' warning' +
                    //    Add s for plural
                    (warningCount > 1?'s':'') +
                    ' and ' + infoCount + ' info message' +
                    //    Add s for plural
                    (infoCount > 1?'s':'') +
                     '\');';
            }

            for(var i in messages) {
                message = messages[i];
                line = message.lastLine;

                toEval += 'console.' +
                    message.type + '(\'' +
                    //    Write line number if available
                    (line > 0?'line ' + line + ': ':'') +
                    //    Remove line breaks and escape quotes in message
                    message.message.replace(/\r\n|\n|\r/g, '').replace(/([\'\"])/g, '\\$1') +
                    '\');';
            }

            toEval += 'console.groupEnd();';
        }
        else {
            toEval += 'console.info(\'Document is valid \')';
        }

        eval(toEval);
    }

    /**
     * @private
     * @function
     * @name _init
     */
    function _init() {
        _getOptions(function() {
            chrome.extension.sendRequest({'action': 'init'}, function(response) {
                if (response.attatchActions === true) {
                    chrome.extension.onRequest.addListener(function(results) {
                        chrome.extension.sendRequest({'action': 'options'}, function(options) {
                            opts = options;
                            _logMessages(results);
                        });
                    });
                }
            });
        });
    }

    _init();

})();