<?php 
/**
 * parser Class
 *
 * PHP version 5
 *
 * @category  PHP
 * @package   PSI
 * @author    Michael Cramer <BigMichi1@users.sourceforge.net>
 * @copyright 2009 phpSysInfo
 * @license   http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @version   SVN: $Id: class.Parser.inc.php 287 2009-06-26 12:11:59Z bigmichi1 $
 * @link      http://phpsysinfo.sourceforge.net
 */
 /**
 * parser class with common used parsing metods
 *
 * @category  PHP
 * @package   PSI
 * @author    Michael Cramer <BigMichi1@users.sourceforge.net>
 * @copyright 2009 phpSysInfo
 * @license   http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @version   Release: 3.0
 * @link      http://phpsysinfo.sourceforge.net
 */
class Parser
{
    /**
     * parsing the output of lspci command
     *
     * @return Array
     */
    public static function lspci()
    {
        $arrResults = array();
        if (CommonFunctions::executeProgram("lspci", "", $strBuf, PSI_DEBUG)) {
            $arrLines = preg_split("/\n/", $strBuf, -1, PREG_SPLIT_NO_EMPTY);
            foreach ($arrLines as $strLine) {
                list($strAddr, $strName) = preg_split('/ /', trim($strLine), 2);
                $strName = preg_replace('/\(.*\)/', '', $strName);
                $dev = new HWDevice();
                $dev->setName($strName);
                $arrResults[] = $dev;
            }
        }
        return $arrResults;
    }
    
    /**
     * parsing the output of pciconf command
     *
     * @return Array
     */
    public static function pciconf()
    {
        $arrResults = array();
        $intS = 0;
        if (CommonFunctions::executeProgram("pciconf", "-lv", $strBuf, PSI_DEBUG)) {
            $arrTemp = array();
            $arrLines = preg_split("/\n/", $strBuf, -1, PREG_SPLIT_NO_EMPTY);
            foreach ($arrLines as $strLine) {
                if (preg_match("/(.*) = '(.*)'/", $strLine, $arrParts)) {
                    if (trim($arrParts[1]) == "vendor") {
                        $arrTemp[$intS] = trim($arrParts[2]);
                    } elseif (trim($arrParts[1]) == "device") {
                        $arrTemp[$intS] .= " - ".trim($arrParts[2]);
                        $intS++;
                    }
                }
            }
            foreach ($arrTemp as $name) {
                $dev = new HWDevice();
                $dev->setName($name);
                $arrResults[] = $dev;
            }
        }
        return $arrResults;
    }
    
    /**
     * parsing the output of df command
     *
     * @param string $df_param additional parameter for df command
     *
     * @return array
     */
    public static function df($df_param = "")
    {
        $arrResult = array();
        if (CommonFunctions::executeProgram('df', '-k '.$df_param, $df, PSI_DEBUG)) {
            $df = preg_split("/\n/", $df, -1, PREG_SPLIT_NO_EMPTY);
            if (PSI_SHOW_INODES) {
                if (CommonFunctions::executeProgram('df', '-i '.$df_param, $df2, PSI_DEBUG)) {
                    $df2 = preg_split("/\n/", $df2, -1, PREG_SPLIT_NO_EMPTY);
                    // Store inode use% in an associative array (df_inodes) for later use
                    foreach ($df2 as $df2_line) {
                        if (preg_match("/^(\S+).*\s([0-9]+)%/", $df2_line, $inode_buf)) {
                            $df_inodes[$inode_buf[1]] = $inode_buf[2];
                        }
                    }
                }
            }
            if (CommonFunctions::executeProgram('mount', '', $mount, PSI_DEBUG)) {
                $mount = preg_split("/\n/", $mount, -1, PREG_SPLIT_NO_EMPTY);
                foreach ($mount as $mount_line) {
                    if (preg_match("/\S+ on (\S+) type (.*) \((.*)\)/", $mount_line, $mount_buf)) {
                        $mount_parm[$mount_buf[1]]['fstype'] = $mount_buf[2];
                        $mount_parm[$mount_buf[1]]['options'] = $mount_buf[3];
                    } elseif (preg_match("/\S+ (.*) on (\S+) \((.*)\)/", $mount_line, $mount_buf)) {
                        $mount_parm[$mount_buf[2]]['fstype'] = $mount_buf[1];
                        $mount_parm[$mount_buf[2]]['options'] = $mount_buf[3];
                    } elseif (preg_match("/\S+ on (\S+) \((\S+)(,\s(.*))?\)/", $mount_line, $mount_buf)) {
                        $mount_parm[$mount_buf[1]]['fstype'] = $mount_buf[2];
                        $mount_parm[$mount_buf[1]]['options'] = isset($mount_buf[4]) ? $mount_buf[4] : '';
                    }
                }
                foreach ($df as $df_line) {
                    $df_buf1 = preg_split("/(\%\s)/", $df_line, 2);
                    if (count($df_buf1) != 2) {
                        continue;
                    }
                    preg_match("/(.*)(\s+)(([0-9]+)(\s+)([0-9]+)(\s+)([0-9]+)(\s+)([0-9]+)$)/", $df_buf1[0], $df_buf2);
                    $df_buf = array($df_buf2[1], $df_buf2[4], $df_buf2[6], $df_buf2[8], $df_buf2[10], $df_buf1[1]);
                    if (count($df_buf) == 6) {
                        $df_buf[5] = trim($df_buf[5]);
                        $dev = new DiskDevice();
                        $dev->setName(trim($df_buf[0]));
                        if ($df_buf[2] < 0) {
                            $dev->setTotal($df_buf[3] * 1024);
                            $dev->setUsed($df_buf[3] * 1024);
                        } else {
                            $dev->setTotal($df_buf[1] * 1024);
                            $dev->setUsed($df_buf[2] * 1024);
                            $dev->setFree($df_buf[3] * 1024);
                        }
                        $dev->setMountPoint($df_buf[5]);
                        $dev->setFsType($mount_parm[$df_buf[5]]['fstype']);
                        $dev->setOptions($mount_parm[$df_buf[5]]['options']);
                        if (PSI_SHOW_INODES && isset($df_inodes[trim($df_buf[0])])) {
                            $dev->setPercentInodesUsed($df_inodes[trim($df_buf[0])]);
                        }
                        $arrResult[] = $dev;
                    }
                }
            }
        }
        return $arrResult;
    }
}
?>