make.php

#!/opt/local/bin/php
<?php
header('Content-Type: text/plain');

// Make the final vanilla2export.php file from the other sources.
$path = dirname(__FILE__) . '/vanilla2export.php';

if (file_exists($path)) {
    $r = unlink($path);
    if (!$r) {
        echo "Could not delete $path.\n";
        die();
    }
}

// Open the file.
echo "Opening $path\n";
$fp = fopen($path, 'w');

fwrite($fp, "<?php /* This file was automatically generated by make.php. DO NOT EDIT. */ ?>\n\n");

addFile($fp, 'index.php');

fclose($fp);
echo "Make Complete.\n";

/// Functions ///
function addFile($fp, $filename) {
    // Recursively build file
    $contents = getFile($filename);

    // Include individual software porters (undo MAKESKIP)
    $paths = glob('packages/*.php');
    $exporters = '';
    foreach ($paths as $path) {
        $exporters .= getFile($path);
    }
    $contents = str_replace('// [EXPORTERS]', ' ?>' . $exporters . '<?php ', $contents);

    // Write the all-in-one file
    fwrite($fp, $contents);
}

function getFile($filename, $endPhp = false) {
    $path = dirname(__FILE__) . '/' . $filename;
    echo "Including file $path\n";

    $contents = file_get_contents($path);

    // MAKESKIP
    $contents = preg_replace('#MAKESKIPSTART(.*)MAKESKIPEND#s', '[EXPORTERS]', $contents);

    // Inline any stylesheet includes.
    $contents = preg_replace_callback('#<link.+?href=[\'"](.*?)[\'"].*?/>#i', 'replaceStyleCallback', $contents);

    // Inline any script includes.
    $contents = preg_replace_callback('#<script.+?src=[\'"](.*?)[\'"].*?></script>#i', 'replaceScriptCallback', $contents);

    // Inline any includes.
    $contents = preg_replace_callback('/include_once [\'"](.*?)[\'"]\;/', 'replaceIncludeCallback', $contents);

    // End and begin the php context.
    if ($endPhp) {
        $contents = "\n/* Contents included from $filename */\n?>" . $contents . "<?php\n";
    }

    return $contents;
}

function replaceIncludeCallback($matches) {
    $path = $matches[1];
    $contents = getFile($path, true);
    $result = $contents;

    return $result;
}

function replaceStyleCallback($matches) {
    $path = $matches[1];
    $contents = file_get_contents(dirname(__FILE__) . '/' . $path);
    $result = "<!-- Contents included from $path -->\n<style>\n" . $contents . "\n</style>";

    return $result;
}

function replaceScriptCallback($matches) {
    $path = $matches[1];
    $contents = file_get_contents(dirname(__FILE__) . '/' . $path);
    $result = "<!-- Contents included from $path -->\n<script>\n" . $contents . "\n</script>";

    return $result;
}