root/pcre/upgrade-pcre.php

DEFINITIONS

1. recurse

<?php

// script to upgrade PCRE. just drop the pcre-x.x.tar.xx here and run the script

$pattern = 'pcre-*.tar.*';
$newpcre = glob($pattern);

if (count($newpcre) > 1) {
        echo "more than one '$pattern' file. aborting\n";
        print_r($newpcre);
        exit;
}

if (count($newpcre) == 0) {
        die("need one '$pattern' file. aborting.\n");
}


$newpcre = $newpcre[0];

if (strpos($newpcre, 'gz')) {
        system("tar xfz $newpcre");
} elseif (strpos($newpcre, 'bz2')) {
        system("tar xfj $newpcre");
} else {
        die("file type not recognized: $newpcre\n");
}

$newpcre = substr($newpcre, 0, strpos($newpcre, '.tar'));
$dirlen = strlen('pcrelib');

function recurse($path)
{
        global $newpcre, $dirlen;

        foreach (scandir($path) as $file) {

                if ($file[0] === '.' ||
                $file === 'CVS' ||
                @substr_compare($file, '.lo', -3, 3) === 0 ||
                @substr_compare($file, '.loT', -4, 4) === 0 ||
                @substr_compare($file, '.o', -2, 2) === 0) continue;

                $file = "$path/$file";

                if (is_dir($file)) {
                        recurse($file);
                        continue;
                }

                echo "processing $file... ";

                $newfile = $newpcre . substr($file, $dirlen);

                if (is_file($tmp = $newfile . '.generic') || is_file($tmp = $newfile . '.dist')) {
                        $newfile = $tmp;
                }


                if (!is_file($newfile)) {
                        die("$newfile is not available any more\n");
                }

                // maintain file mtimes so that cvs doesnt get crazy
                if (file_get_contents($newfile) !== file_get_contents($file)) {
                        copy($newfile, $file);
                }

                // always include the config.h file
                $content    = file_get_contents($newfile);
                $newcontent = preg_replace('/#\s*ifdef HAVE_CONFIG_H\s*(.+)\s*#\s*endif/', '$1', $content);

                if ($content !== $newcontent) {
                        file_put_contents($file, $newcontent);
                }

                echo "OK\n";
        }

}


recurse('pcrelib');

$dirorig = scandir('pcrelib/testdata');
$k = array_search('CVS', $dirorig);
if ($k !== false)
        unset($dirorig[$k]);

$k = array_search('.svn', $dirorig);
if ($k !== false)
        unset($dirorig[$k]);

$dirnew = scandir("$newpcre/testdata");
$diff   = array_diff($dirorig, $dirnew);

foreach ($diff as $file) {
        $file2 = 'pcrelib'.substr($file, strlen($newpcre));
        copy($file, $file2);
}


// the config.h needs special care
$prepend_config_h = '
#include <php_compat.h>

#ifndef PHP_WIN32
# include <php_config.h>
#endif

#undef PACKAGE_NAME
#undef PACKAGE_VERSION
#undef PACKAGE_TARNAME
#undef PACKAGE_STRING

#define SUPPORT_UCP
#define SUPPORT_UTF8

#if defined(__GNUC__) && __GNUC__ >= 4
# ifdef __cplusplus
#  define PCRE_EXP_DECL         extern "C" __attribute__ ((visibility("default")))
# else
#  define PCRE_EXP_DECL         extern __attribute__ ((visibility("default")))
# endif
# define PCRE_EXP_DEFN          __attribute__ ((visibility("default")))
# define PCRE_EXP_DATA_DEFN     __attribute__ ((visibility("default")))
#endif


';

file_put_contents('pcrelib/config.h', $prepend_config_h . file_get_contents('pcrelib/config.h'));


echo "\nThe End :-)\n\n"

?>