tocheckstyle

#!/usr/bin/env php
<?php

$files = [];
while($line = trim(fgets(STDIN))) {
    $elements = explode(' ', $line, 3);

    list($file, $line) = explode(':', $elements[0]);
    $source = $elements[1];
    $message = $elements[2];

    if (empty($files[$file])) {
        $files[$file] = [];
    }

    $files[$file][] = [
        'line' => $line,
        'source' => $source,
        'message' => $message,
        'severity' => 'error',
    ];
}

$document = new \DomDocument('1.0', 'ISO-8859-15');

$checkstyle = new \DOMElement('checkstyle');
$document->appendChild($checkstyle);
$checkstyle->appendChild(new \DOMAttr('version', '6.5'));

// Write each file to the DOM
foreach ($files as $file_name => $error_list) {
    $file = new \DOMElement('file');
    $checkstyle->appendChild($file);
    $file->appendChild(new \DOMAttr('name', $file_name));

    // Write each error to the file
    foreach ($error_list as $error_map) {
        $error = new \DOMElement('error');
        $file->appendChild($error);

        // Write each element of the error as an attribute
        // of the error
        foreach ($error_map as $key => $value) {
            $error->appendChild(
                new \DOMAttr($key, (string)$value)
            );
        }
    }
}

print $document->saveXML();