builder.php

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<?php
/**
 * PEAR_Builder for building PHP extensions (PECL packages)
 *
 * PHP versions 4 and 5
 *
 * LICENSE: This source file is subject to version 3.0 of the PHP license
 * that is available through the world-wide-web at the following URI:
 * http://www.php.net/license/3_0.txt.  If you did not receive a copy of
 * the PHP License and are unable to obtain it through the web, please
 * send a note to [e-mail] so we can mail you a copy immediately.
 *
 * @category   pear
 * @package    PEAR
 * @author     Stig Bakken <[e-mail]>
 * @author     Greg Beaver <[e-mail]>
 * @copyright  1997-2006 The PHP Group
 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
 * @version    CVS: $Id: Builder.php,v 1.31 2007/01/10 05:32:51 cellog Exp $
 * @link       http://pear.php.net/package/PEAR
 * @since      File available since Release 0.1
 * 
 * TODO: log output parameters in PECL command line
 * TODO: msdev path in configuration
 */

/**
 * Needed for extending PEAR_Builder
 */
require_once 'PEAR/Common.php';
require_once 'PEAR/PackageFile.php';
/**
 * Class to handle building (compiling) extensions.
 *
 * @category   pear
 * @package    PEAR
 * @author     Stig Bakken <[e-mail]>
 * @author     Greg Beaver <[e-mail]>
 * @copyright  1997-2006 The PHP Group
 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
 * @version    Release: 1.6.1
 * @link       http://pear.php.net/package/PEAR
 * @since      Class available since PHP 4.0.2
 * @see        http://pear.php.net/manual/en/core.ppm.pear-builder.php
 */
class PEAR_Builder extends PEAR_Common
{
    // {{{ properties

    var $php_api_version = 0;
    var $zend_module_api_no = 0;
    var $zend_extension_api_no = 0;

    var $extensions_built = array();

    /**
     * @var string Used for reporting when it is not possible to pass function
     *             via extra parameter, e.g. log, msdevCallback
     */
    var $current_callback = null;

    // used for msdev builds
    var $_lastline = null;
    var $_firstline = null;
    // }}}
    // {{{ constructor

    /**
     * PEAR_Builder constructor.
     *
     * @param object $ui user interface object (instance of PEAR_Frontend_*)
     *
     * @access public
     */
    function PEAR_Builder(&$ui)
    {
        parent::PEAR_Common();
        $this->setFrontendObject($ui);
    }

    // }}}

    // {{{ _build_win32()

    /**
     * Build an extension from source on windows.
     * requires msdev
     */
    function _build_win32($descfile, $callback = null)
    {
        if (is_object($descfile)) {
            $pkg = $descfile;
            $descfile = $pkg->getPackageFile();
        } else {
            $pf = &new PEAR_PackageFile($this->config, $this->debug);
            $pkg = &$pf->fromPackageFile($descfile, PEAR_VALIDATE_NORMAL);
            if (PEAR::isError($pkg)) {
                return $pkg;
            }
        }
        $dir = dirname($descfile);
        $old_cwd = getcwd();

        if (!file_exists($dir) || !is_dir($dir) || !chdir($dir)) {
            return $this->raiseError("could not chdir to $dir");
        }
        // packages that were in a .tar have the packagefile in this directory
        $vdir = $pkg->getPackage() . '-' . $pkg->getVersion();
        if (file_exists($dir) && is_dir($vdir)) {
            if (chdir($vdir)) {
                $dir = getcwd();
            } else {
                return $this->raiseError("could not chdir to " . realpath($vdir));
            }
        }

        $this->log(2, "building in $dir");

        $dsp = $pkg->getPackage().'.dsp';
        if (!file_exists("$dir/$dsp")) {
            return $this->raiseError("The DSP $dsp does not exist.");
        }
        // XXX TODO: make release build type configurable
        $command = 'msdev '.$dsp.' /MAKE "'.$pkg->getPackage(). ' - Release"';

        $err = $this->_runCommand($command, array(&$this, 'msdevCallback'));
        if (PEAR::isError($err)) {
            return $err;
        }

        // figure out the build platform and type
        $platform = 'Win32';
        $buildtype = 'Release';
        if (preg_match('/.*?'.$pkg->getPackage().'\s-\s(\w+)\s(.*?)-+/i',$this->_firstline,$matches)) {
            $platform = $matches[1];
            $buildtype = $matches[2];
        }

        if (preg_match('/(.*)?\s-\s(\d+).*?(\d+)/',$this->_lastline,$matches)) {
            if ($matches[2]) {
                // there were errors in the build
                return $this->raiseError("There were errors during compilation.");
            }
            $out = $matches[1];
        } else {
            return $this->raiseError("Did not understand the completion status returned from msdev.exe.");
        }

        // msdev doesn't tell us the output directory :/
        // open the dsp, find /out and use that directory
        $dsptext = join(file($dsp),'');

        // this regex depends on the build platform and type having been
        // correctly identified above.
        $regex ='/.*?!IF\s+"\$\(CFG\)"\s+==\s+("'.
                    $pkg->getPackage().'\s-\s'.
                    $platform.'\s'.
                    $buildtype.'").*?'.
                    '\/out:"(.*?)"/is';

        if ($dsptext && preg_match($regex,$dsptext,$matches)) {
            // what we get back is a relative path to the output file itself.
            $outfile = realpath($matches[2]);
        } else {
            return $this->raiseError("Could not retrieve output information from $dsp.");
        }
        // realpath returns false if the file doesn't exist
        if ($outfile && copy($outfile, "$dir/$out")) {
            $outfile = "$dir/$out";
        }

        $built_files[] = array(
            'file' => "$outfile",
            'php_api' => $this->php_api_version,
            'zend_mod_api' => $this->zend_module_api_no,
            'zend_ext_api' => $this->zend_extension_api_no,
            );

        return $built_files;
    }
    // }}}

    // {{{ msdevCallback()
    function msdevCallback($what, $data)
    {
        if (!$this->_firstline)
            $this->_firstline = $data;
        $this->_lastline = $data;
        call_user_func($this->current_callback, $what, $data);
    }
    // }}}

    // {{{ _harventInstDir
    /**
     * @param string
     * @param string
     * @param array
     * @access private
     */
    function _harvestInstDir($dest_prefix, $dirname, &$built_files)
    {
        $d = opendir($dirname);
        if (!$d)
            return false;

        $ret = true;
        while (($ent = readdir($d)) !== false) {
            if ($ent{0} == '.')
                continue;

            $full = $dirname . DIRECTORY_SEPARATOR . $ent;
            if (is_dir($full)) {
                if (!$this->_harvestInstDir(
                        $dest_prefix . DIRECTORY_SEPARATOR . $ent,
                        $full, $built_files)) {
                    $ret = false;
                    break;
                }
            } else {
                $dest = $dest_prefix . DIRECTORY_SEPARATOR . $ent;
                $built_files[] = array(
                        'file' => $full,
                        'dest' => $dest,
                        'php_api' => $this->php_api_version,
                        'zend_mod_api' => $this->zend_module_api_no,
                        'zend_ext_api' => $this->zend_extension_api_no,
                        );
            }
        }
        closedir($d);
        return $ret;
    }

    // }}}

    // {{{ build()

    /**
     * Build an extension from source.  Runs "phpize" in the source
     * directory, but compiles in a temporary directory