carto/bin/messc

#!/usr/bin/env node

var path = require('path'),
    fs = require('fs'),
    sys = require('sys');

require.paths.unshift(path.join(__dirname, '../lib'), path.join(__dirname, '../lib/node'));

var mess = require('mess');
var args = process.argv.slice(1);
var options = {
    silent: false,
    json: false
};

args = args.filter(function (arg) {
    var match;

    if (match = arg.match(/^--?([a-z][0-9a-z-]*)$/i)) { arg = match[1] }
    else { return arg }

    switch (arg) {
        case 'v':
        case 'version':
            sys.puts("messc " + mess.version.join('.') + " (MESS Compiler) [JavaScript]");
            process.exit(0);
            break;
        case 'verbose':
            options.verbose = true;
            break;
        case 'd':
        case 'debug':
            options.debug = true;
            break;
        case 's':
        case 'silent':
            options.silent = true;
            break;
        case 'b':
        case 'benchmark':
            options.benchmark = true;
            break;
        case 'h':
        case 'help':
            sys.puts("Usage: messc source");
            sys.puts("Options:");
            sys.puts("  -j\tParse JSON map manifest");
            process.exit(0);
            break;
    }
});

var input = args[1];
if (input && input[0] != '/') {
    input = path.join(process.cwd(), input);
}
var output = args[2];
if (output && output[0] != '/') {
    output = path.join(process.cwd(), output);
}

if (!input) {
    sys.puts("messc: no input files");
    process.exit(1);
}

if (options.benchmark) {
    var start = +new Date;
}

fs.readFile(input, 'utf-8', function (e, data) {
    if (e) {
        sys.puts("messc: " + e.message);
        process.exit(1);
    }

    new mess.Renderer({
        filename: input,
        debug: options.debug,
        local_data_dir: path.dirname(input),
    }).render(data, function(err, output) {
        if (err) {
            if (Array.isArray(err)) {
                err.forEach(function(e) {
                    mess.writeError(e, options);
                });
            } else {
                throw err;
            }
            
            process.exit(1);
        } else {
            if (!options.benchmark) {
                sys.puts(output);
            } else {
                var duration = (+new Date) - start;
                console.log('Benchmark: ' + (duration) + 'ms');
            }
        }
    });
});