#!/usr/bin/php
<?php
chdir ( dirname ( __FILE__ ) );
require_once 'common.php';
assertCli ();

/**
 * @file
 * Adds vimline to files
 */

chdir ( dirname ( __FILE__ ) . '/..' );
$FS = new FSTools ();

$vimline = 'vim: et sw=4 sts=4';

$files = $FS->globr ( '.', '*' );
foreach ( $files as $file ) {
	if (! is_file ( $file ) || prefix_is ( './docs/doxygen', $file ) || prefix_is ( './library/standalone', $file ) || prefix_is ( './docs/specimens', $file ) || postfix_is ( '.ser', $file ) || postfix_is ( '.tgz', $file ) || postfix_is ( '.patch', $file ) || postfix_is ( '.dtd', $file ) || postfix_is ( '.ent', $file ) || postfix_is ( '.png', $file ) || postfix_is ( '.ico', $file ) || 
	// wontfix
	postfix_is ( '.vtest', $file ) || postfix_is ( '.svg', $file ) || postfix_is ( '.phpt', $file ) || postfix_is ( 'VERSION', $file ) || postfix_is ( 'WHATSNEW', $file ) || postfix_is ( 'FOCUS', $file ) || postfix_is ( 'configdoc/usage.xml', $file ) || postfix_is ( 'library/HTMLPurifier.includes.php', $file ) || postfix_is ( 'library/HTMLPurifier.safe-includes.php', $file ) || postfix_is ( 'smoketests/xssAttacks.xml', $file ) || 
	// phpt files
	postfix_is ( '.diff', $file ) || postfix_is ( '.exp', $file ) || postfix_is ( '.log', $file ) || postfix_is ( '.out', $file ) || 

	$file == './library/HTMLPurifier/Lexer/PH5P.php' || $file == './maintenance/PH5P.php')
		continue;
	$ext = strrchr ( $file, '.' );
	if (postfix_is ( 'README', $file ) || postfix_is ( 'LICENSE', $file ) || postfix_is ( 'CREDITS', $file ) || postfix_is ( 'INSTALL', $file ) || postfix_is ( 'NEWS', $file ) || postfix_is ( 'TODO', $file ) || postfix_is ( 'WYSIWYG', $file ) || postfix_is ( 'Changelog', $file ))
		$ext = '.txt';
	if (postfix_is ( 'Doxyfile', $file ))
		$ext = 'Doxyfile';
	if (postfix_is ( '.php.in', $file ))
		$ext = '.php';
	$no_nl = false;
	switch ($ext) {
		case '.php' :
		case '.inc' :
		case '.js' :
			$line = '// %s';
			break;
		case '.html' :
		case '.xsl' :
		case '.xml' :
		case '.htc' :
			$line = "<!-- %s\n-->";
			break;
		case '.htmlt' :
			$no_nl = true;
			$line = '--# %s';
			break;
		case '.ini' :
			$line = '; %s';
			break;
		case '.css' :
			$line = '/* %s */';
			break;
		case '.bat' :
			$line = 'rem %s';
			break;
		case '.txt' :
		case '.utf8' :
			if (prefix_is ( './library/HTMLPurifier/ConfigSchema', $file ) || prefix_is ( './smoketests/test-schema', $file ) || prefix_is ( './tests/HTMLPurifier/StringHashParser', $file )) {
				$no_nl = true;
				$line = '--# %s';
			} else {
				$line = '    %s';
			}
			break;
		case 'Doxyfile' :
			$line = '# %s';
			break;
		default :
			throw new Exception ( 'Unknown file: ' . $file );
	}
	
	echo "$file\n";
	$contents = file_get_contents ( $file );
	
	$regex = '~' . str_replace ( '%s', 'vim: .+', preg_quote ( $line, '~' ) ) . '~m';
	$contents = preg_replace ( $regex, '', $contents );
	
	$contents = rtrim ( $contents );
	
	if (strpos ( $contents, "\r\n" ) !== false)
		$nl = "\r\n";
	elseif (strpos ( $contents, "\n" ) !== false)
		$nl = "\n";
	elseif (strpos ( $contents, "\r" ) !== false)
		$nl = "\r";
	else
		$nl = PHP_EOL;
	
	if (! $no_nl)
		$contents .= $nl;
	$contents .= $nl . str_replace ( '%s', $vimline, $line ) . $nl;
	
	file_put_contents ( $file, $contents );
}

// vim: et sw=4 sts=4