bin/news2html

#!/usr/local/bin/php
<?php
PHP_SAPI == 'cli' or die("Please run this script using the cli sapi");

// get args
$cmd = array_shift($_SERVER['argv']);

if (count($_SERVER['argv']) < 2) {
	echo "Use: $cmd /path/to/php-5.4.16/NEWS 5.4.16 [path/to/ChangeLog.php]\n";
	exit(1);
}
$news_file = array_shift($_SERVER['argv']);
$version = array_shift($_SERVER['argv']);
$changelog = @array_shift($_SERVER['argv']);

// find NEWS entry
$fp = fopen($news_file, "r");
if(!$fp) {
	die("Can not open {$news_file}\n");
}

$inside = false;
$entries = [];
while(($ln = fgets($fp)) !== false) {
	if (preg_match("/(.. ... ....),? PHP $version/", $ln, $m)) {
		// got entry start
		$inside = true;
		$date = strtr($m[1], " ", "-");
		continue;
	}
	if (!$inside) { continue; }

	if (preg_match('/, PHP \d+.\d+.\d+/', $ln)) {
		// next entry - we're done
		break;
	}

	if ($ln == "\n") {
		$module = 'Core';
		continue;
	}
	if ($ln[0] == '-') {
		// module
		$module = trim(substr($ln, 1), " \t\n:");
	} elseif (preg_match('/^\s+\.\s/',$ln)) {
		$entries[$module][] = trim(preg_replace('/^\s+\.\s+/', '', $ln));
	} else {
		// continued line
		$c = count($entries[$module])-1;
		$entries[$module][$c] = trim($entries[$module][$c] )." ".trim($ln);
	}
}

if ($changelog) { ob_start(); }

echo <<<HEAD
<section class="version" id="$version"><!-- {{{ $version -->
<h3>Version $version</h3>
<b><?php release_date('$date'); ?></b>
<ul>
HEAD;

$bug_map = [
    '/Fixed bug #([0-9]+)/'      => '<?php bugfix(\1); ?'.'>',
    '/Fixed PECL bug #([0-9]+)/' => '<?php peclbugfix(\1); ?'.'>',
    '/Implemented FR #([0-9]+)/' => '<?php implemented(\1); ?'.'>',
    '/GitHub PR #([0-9]+)/'      => '<?php githubissuel(\'php/php-src\', \1); ?'.'>',
    '/GH-([0-9]+)/'              => '<?php githubissuel(\'php/php-src\', \1); ?'.'>',
];

foreach($entries as $module => $items) {
	echo "<li>$module:\n<ul>\n";
	foreach($items as $item) {
		// strip author
		$item = preg_replace('/(\.(\s+\(CVE-\d+-\d+\))?)\s+\(.+?\)\s*$/', '\\1', $item);
		// encode HTML
		$item = htmlspecialchars($item, ENT_NOQUOTES);
		// convert bug numbers
		$item = preg_replace(array_keys($bug_map), array_values($bug_map), $item);
		echo "  <li>$item</li>\n";
	}
	echo "</ul></li>\n";
}
echo "</ul>\n<!-- }}} --></section>\n\n";

if ($changelog) {
	$contents = ob_get_clean();

	$log = file_get_contents($changelog);
	if (empty($log)) {
		fprintf(STDERR, "Unable to read $changelog\n");
		exit(1);
	}

	$parts = explode('.', $version, 3);
	if (count($parts) < 2) {
		fprintf(STDERR, "Unable to parse branch from $version\n");
		exit(1);
	}

	$tag = "<a id=\"PHP_{$parts[0]}_{$parts[1]}\"></a>";
	if (strpos($log, $tag) === false) {
		fprintf(STDERR, "Unable to find branch tag in ChangeLog\n");
		exit(1);
	}

	$log = str_replace($tag, "$tag\n\n$contents", $log);
	file_put_contents($changelog, $log);
}