a11ym

#!/usr/bin/env node

'use strict';

/**
 * Copyright (c) 2016, Ivan Enderlin and Liip
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

var a11ym   = require('./lib/a11ym');
var program = require('commander');

// Define all the options, with their description and default value.
program
    .usage('[options] url …')
    .option(
        '-b, --bootstrap <path>',
        'Bootstrap file, i.e. the configuration file. All CLI options will overwrite options defined in the configuration file.'
    )
    .option(
        '-e, --error-level <error_level>',
        'Minimum error level: In ascending order, `notice` (default), `warning`, and `error` (e.g. `warning` includes all warnings and errors).',
        /^notice|warning|error$/i
    )
    .option(
        '-c, --filter-by-codes <codes>',
        'Filter results by comma-separated WCAG codes (e.g. `H25,H91,G18`).'
    )
    .option(
        '-C, --exclude-by-codes <codes>',
        'Exclude results by comma-separated WCAG codes (e.g. `H25,H91,G18`).'
    )
    .option(
        '-d, --maximum-depth <depth>',
        'Explore up to a maximum depth (hops).',
        /^\d+$/
    )
    .option(
        '-m, --maximum-urls <maximum_urls>',
        'Maximum number of URLs to compute.',
        /^\d+$/
    )
    .option(
        '-o, --output-directory <output_directory>',
        'Output directory.'
    )
    .option(
        '-r, --report <report>',
        'Report format: `cli`, `csv`, `html` (default), `json` or `markdown`, or your own absolute path to a reporter.'
    )
    .option(
        '--report-options <options>',
        'Report options, as a JSON formatted object.'
    )
    .option(
        '-s, --standards <standards>',
        'Standard to use: `WCAG2A`, `WCAG2AA` (default), ` WCAG2AAA`, `Section508`, `HTML` or your own (see `--sniffers`). `HTML` can be combined with any other by a comma.'
    )
    .option(
        '-S, --sniffers <sniffers>',
        'Path to the sniffers file, e.g. `resource/sniffers.js` (default).'
    )
    .option(
        '-u, --filter-by-urls <urls>',
        'Filter URL to test by using a regular expression without delimiters (e.g. \'news|contact\').'
    )
    .option(
        '-U, --exclude-by-urls <urls>',
        'Exclude URL to test by using a regular expression without delimiters (e.g. \'news|contact\').'
    )
    .option(
        '-w, --workers <workers>',
        'Number of workers, i.e. number of URLs computed in parallel.',
        /^\d+$/i
    )
    .option(
        '--http-auth-user <http_auth_user>',
        'Username to authenticate all HTTP requests.'
    )
    .option(
        '--http-auth-password <http_auth_password>',
        'Password to authenticate all HTTP requests.'
    )
    .option(
        '--http-tls-disable',
        'Disable TLS/SSL when crawling or downloading pages.'
    )
    .option(
        '-V, --no-verbose',
        'Make the program silent.'
    )
    .option(
        '--ignore-robots-txt',
        'Ignore robots.txt file.'
    )
    .parse(process.argv);

if (false === a11ym.start(program.opts(), program.args)) {
    program.help();
    process.exit(1);
}